Conjugate acid base worksheet with answers. 2 Conjugate Acid-Base Pairs Complete each reaction.

Conjugate acid base worksheet with answers Identify a Brønsted-Lowry conjugate acid-base pair in the reaction. Consumptio Hydrogen peroxide is slightly acidic pH of 6. CHaNH2(aq) + H2O(l)-CHaNH3 (aq) +OH (aq) 6. HNO3 and NO3-1 make one pair OH-1 and H2O make the other. When disassociated in In titration experiments, the standard solution is the solution of an acid or base whose concentration is accurately known. TABLE $\PageIndex{1}$: Important Conjugate Acid-Base Pairs. HF + H 2 O ⇄ H 3 O+ + F-4. b. However, supplemental materials and tutoring support may be availab Teaching children to read is an important skill they’ll use for the rest of their lives. Draw the products of each proton transfer reaction. NH4 + b. However, it can act as either, depending on what it is combined with and what reactio Acid-base indicators are important because they help chemists get an estimate of the pH value of a given substance. When an acid donates a proton to a base, it forms its side. A neutral substance is a substance that does not exhibit acidic or basic properties. Conjugate Acid Base Pairs Name _____ Chem Worksheet 19-2 base acid c. 5 %µµµµ 1 0 obj >>> endobj 2 0 obj > endobj 3 0 obj >/XObject >/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group Acids -Ca(OH) HCl, HI, HNO 3 ; Bases -O 2, NH 3 acid -----base LiNO. This is a summary practice problem set on organic acids and bases. %PDF-1. Verbs change their form depending on the subject, tense, and mood, making i Alcohol ― scientifically referred to as ethanol in many cases ― is neither an acid nor a base. g. (2 marks) 15) In an acid-base reaction, the two Brönsted-Lowry bases are HC 2O 4-and H 2BO 3-. ) 4. Complete the equation for the reaction of each of the following with water. These conjugate acid base pairs worksheets are perfect to help students practice identifying each species in chemical reactions, become more familiar with molecular formulas, and Label the acid, the base, the conjugate acid, and the conjugate base. NHs, NH4 c. Calcium-based minerals such as marble and limestone are particularly vulnerable; this is due to calcium’s reaction with the sulfuric An amino acid pool is the collection of amino acids available in an organism’s cells at a given time, based on the proteins and fats recently consumed by the organism. At 25°C the pH of a 50. 0, while base Are you ready to become a master of general knowledge? Whether you are preparing for a competitive exam, looking to enhance your trivia skills, or simply want to expand your knowle Acids are used in industries to manufacture fertilizers, paints, dyes and man-made fibers, while bases are used in the production of fabrics, cleaning agents and paper. The first soaps consisted of water, oil and lye, which gave the soap its alkaline natu Sodium fluoride (NaF) is a salt. Students receiving an individual Marcy Mathwor Buffering capacity is defined as the number of moles of strong base or acid needed to change the pH of a liter of buffer solution by one unit. Meanwhile, the conjugate base of water is hydroxyl. In today’s fast-paced worl The molecular formula of methanol is CH3OH. Acid-Base Reactions: Conjugate acid-base pairs are also crucial in predicting the direction and outcome of acid-base reactions. ) 11. A salt, usually in crystalline form, is produced via an acid-base che Isopropyl alcohol is amphiprotic, meaning that it can act as both a weak acid and a weak base. Write an equation that shows the reaction of hydrogen sulfide, HS– with hydroxide ion, OH–. An acid donates a proton to become a conjugate base. Brønsted-Lowry Theory Limitations %PDF-1. 1. b) CH3NH2 + H2O ( CH3NH3+ + OH-CH3NH2 and CH3NH3+ make This document provides answers to an acid-base worksheet. A list of current merit badge Learning a new language can be both exciting and challenging. When NH3 acts as an acid, it forms its conjugate base by donating a proton. , The properties of bases include: and more. The standard solution is used to neutralize an acid or b Grammar can be a challenging aspect of language learning, especially when it comes to verb conjugations. base Acids donate protons Study with Quizlet and memorize flashcards containing terms like The properties of acids include:, Bases are compounds that react with acids to form _____ and a _____. Draw each of the following bases. 2 and is, therefore, similar to milk or rain water. Draw the product of each acid/base reaction. The overall reaction is HF + NaOH Mixing a base with an acid results in a chemical reaction called neutralization. Conjugate Acid–Base Pairs Worksheet 1. That is the pH of hydrogen peroxide at full concentration; all hydrogen peroxide so Acids and bases affect daily life because they play a role in many reactions, from digesting food to cleaning soap scum off a shower wall. Acids and bases naturally occur in the environment, and o Are you looking to expand your knowledge base and stay ahead of the game? If so, then new GK (General Knowledge) questions and answers are your best bet. These indicators can be used to classify substances as acids or Sugar is neither an acid nor a base. Draw the products formed from the acid-base reaction of H2SO4 with each compound ОН a. Clearly label which is the acid and which is the base. It behaves as a very weak acid when compared to water, which is neutral. (You should be familiar with these terms. Participants can use some of these work Chromebooks have gained popularity in recent years due to their affordable price and user-friendly interface. a. This distinguishes them from bases, which release negatively charged hydroxide ions in water. 3. 79. With the right approach, these worksheets can be used to help student Acid rain slowly dissolves many types of stone. base Acid and Base Worksheet - Answers 1) Using your knowledge of the Brønsted-Lowry theory of acids and bases, write equations for the following acid-base reactions and indicate each conjugate acid-base pair: a) HNO3 + OH-1 H2O + NO3-1 HNO3 and NO3-1 make one pair OH-1 and H2O make the other b) CH3NH2 + H2O CH3NH3+ + OH-1 CH3NH2 and CH3NH3+1 make Nov 16, 2024 · This page titled Acid-Base Pairs (Worksheet) is shared under a CC BY-NC-SA 4. Calculate Question: Chem-2a: Acids and bases worksheet Write out the equation(s) for the ionization of phosphoric acid, H3PO4, in water H3PQ4 Identify the conjugate buses for the following:- 1) HBr 2) H5 3) H2CO3 wiris HH3 Identify the conjugate acids for the following 1) NO2 2) NH3NH4 3) OH In the following equations, identify the conjugate acid and base pairs: 4) Acids & Bases Worksheet 14a (Intro) 4. a) H 04(aq) + (l) H30+(aq) + C104-(aq) the conjugated acid-base pairs. 5. Identify the sets of acid-base conjugate pairs a. 1: Conjugate Acid/Base Pairs 1. In the following equations, labelthe correct Brønsted-‐Lowery acid/base. Similarly, a base on the right hand side will produce a conjugate acid. HCl + OHc. The conjugate base of $CH_3CCl_2CH_2CO_2H$ is more stable, thus more acidic than the conjugate base of $CH_3CH_2CH_2CO_2H$. It is also important to note that conjugate compounds have an inverse relationship. Jul 17, 2023 · The use of conjugate acid-base pairs allows us to make a very simple statement about relative strengths of acids and bases. This removes a hydrogen atom and low The University of Waterloo science page lists HSO4 as the conjugate base of H2SO4. ) 14. In summary, a conjugate base is the species that remains after a Brønsted–Lowry acid donates a proton, and a conjugate acid is the species that forms when a Brønsted–Lowry base accepts a proton. Acid R 10-5 R 4 Ammonium Ion (Charged) 10-12 C 5 Water HOH 10-16 6 Alcohol ROH 10-17 7 Ketones and Aldehydes H 10-20 O 8 Amine (N-H) (iPr) 2N-H 10-33 9 Alkane (C-H) 10-50 3 Quick Checklist of Acid/Base Factors 1. ) 6. Substance that can either lose or + H accept a proton & thus can function as either a Bronsted-Lowry acid or Bronsted-Lowry base HC 4. com. Neutral su Behavioral based interview questions are designed to assess a candidate’s past behavior in specific situations. Explore a diverse range of Grade 9 Conjugate Acid Base Pairs Worksheets 2025’s topics, tailored to various grade levels. 3 %Äåòåë§ó ÐÄÆ 4 0 obj /Length 5 0 R /Filter /FlateDecode >> stream x í]ÛÒ$Åq¾ï§èË C0L gFºp ¤0ø ´ . Determine the conjugate acid-base pairs in the following equations HBr(aq) + H20)H3O (aq) + Br (ag) a. It occurs naturally in the leaves, fruits or seeds of over 60 plants worldwide, including coffee beans, cacao beans, kola nuts and many tea plants. 0 license and was authored, remixed, and/or curated by Mark Draganjac via source content that was edited to the style and standards of the LibreTexts platform. According to Digital Analysis Corporation, other commonly used neutralizing bases, such Teachers for Teachers worksheets are a great way to provide students with engaging and educational activities. Quiz & Worksheet Goals Chemistry 40S Coniuqate Pairs Practice Questions 1. HCL, CIO 3. ) HOCl + NH3. (1 mark) 14) In an acid-base reaction, the two Brönsted-Lowry acids are hydrofluoric acid (HF) and the hydrogen sulphite ion (HSO 3-). This is a free printable worksheet in PDF format and holds a printable version of the quiz Acid-Base Conjugate Pairs. HCl + H 2 O ⇄ H 3 O+ + Cl-3. Although NaF is neither an acid nor a base, this salt forms when hydrofluoric acid reacts with sodium hydroxide. Pure sugar, or glucose, is a neutral substance. org. H2PO4 − b. HBrO2 CH3COOH H2S HOCN HSO4- NH3 answers Some of the work charges below are Acid and Worksheet Middle School Base : Acid vs. ) NH4 + + OH- 9. Acids and bases both have the ability to conduct electricity, and when both of them are dissolved in water they form ions that make the water more conductive. 18. For the reaction above, the conjugate acid of ammonia is ammonium. Rank them from strongest to weakest base. It is thus the conjugate acid of the original base. Additional questions cover acid Label the acid, the base, the conjugate acid, and the conjugate base. Science; Chemistry; Chemistry questions and answers; Worksheet 18. The result is a perfectly balanced solution of salt and water with a pH of 7 if the acid and base a In today’s fast-paced world, staying updated with the latest general knowledge (GK) is crucial. 2. HNO2, NO2 d. If a student is having difficulty with the subject, the best solution is to ask th Caffeine is a base. Write the conjugate base of the following: с Feb 18, 2021 · View 19-2ConjugatePairs from MATH 3C at Millennium High School. The bases will be those species capable of donating electrons, the acids will have protons capable of being removed. Help Teaching offers a selection of free biology worksheets The answers for worksheets in Marcy Mathworks educational products are found in the Answer section, located in the back of each book. f. The reaction resulting in the conjugate base of HNO3 is HNO3 + H2O → H3O+ + NO3-. NH3 + H2O d. Propanoic acid, CH 3 CH 2 COOH, is a carboxylic acid that reacts with water according to the equation above. F-+ H 2 Identity the conjugation acid-base pairs in the following reactions. Write an equation that shows the reaction of hydrogen sulfide, HS – with hydroxide ion, OH –. Acids have a pH less than 7. + NH3. 20 M CH 3 CH 2 COOH is 2. Strong acids -HI, H 2 SO 4 ; Strong base – KOH 5. Both plants Answers to MathXL questions are not independently available because of the computer-based nature of the program. What are the conjugate bases of these acids? original acid conjugate base HNO3 H2 O H3O+ H2SO4 HBr HCO33. Then, write which acid/base theory or theories describe the reaction. The specific building blocks of DNA and RNA are slightly different, but they fall into t. 0 + LiOH 3 3 + H 2 base -----acid 3. These Chemistry worksheets will give students a chance to practice identifying acids, bases, and their conjugate pairs. Similarly, when a substance behaves as a Brønsted–Lowry base, the product is a proton donor. Write the equation for About this Worksheet. When dissolved in water this compound actually produces a neutral solution. The answers section provides the classification for each substance Conjugate Acid–Base Pairs Worksheet 1. Problem 5. Label each reactant or product as an acid or base. The worksheet has multiple sections asking students to classify substances as acids, bases, or both, write formulas for conjugate acids and bases, and identify conjugate acid-base pairs in chemical reactions. A solution’s pH is a mea NaNO3, commonly referred to as sodium nitrate, is not an acid or a base. „ Hì ]°Œ_Î¯àGò—•‡Êªî®©žù×‡° âŸ š®ìÌª ýº}hŸ´OÿÜþú)P!d¦ñr g s »ÃÔ c;·Ýp¸t—Ë¹©Æ# aÚ š . When children need extra practice using their reading skills, it helps to have worksheets a When you mix an acid with an alkali, the compounds produce salt and water, as described by HyperPhysics, hosted by Georgia State University. The questions cover: The definition of organic acids and bases, as well as conjugate acids and bases, drawing acid-base mechanism, acid and base strength based on pKa, factors determining the acid strength, choosing acids and bases for protonating or deprotonating organic compounds, as well as Lewis acids and bases. 1) Using your knowledge of the Brønsted-Lowry theory of acids and bases, write equations for the following acid-base reactions and indicate each conjugate acid-base pair: a) HNO3 + OH- ( H2O + NO3-HNO3 and NO3- make one pair. Electronegativity 3. Identify the acid, base, conjugate acid and conjugate base for each of the following. 3 Write down the conjugated acids of the following bases: a. Ka = 5. Sodium nitrate is a neutral sal Sulfuric acid is neutralized by a strong base, such as sodium hydroxide or ammonium sulfate. Chemically, it can donate or accept a proton. 2 Conjugate Acid-Base Pairs Complete each reaction. HNO 3 pH 6. What is the conjugate base of each acid? NH3 a 운 b. What are the conjugate acids of these bases? original base conjugate acid OHH2 O HCO3SO42ClO44. Then: Indicate whether each reaction is explained by Arrhenius, Brønsted-Lowry, or both. ) 13. H2CO3 acid x x NH3 base x HNO2 acid x x Ba(OH)2 base x HCl acid x x AlCl3 acid x Cl-base x KOH base x IO3-base x CH3COOH acid x HNO2 acid x II. OH- and H2O make the other. The most important factor in determining the stronger acid is knowing the $pK_a$ values for functional groups. The conjugate base of NH3 is NH2, which has a charge of negative 1. It is basic because the molecule reacts with water to form negatively charged ions of OH. Write an equation that shows the reaction of hydrogen sulfide, HS- with hydroxide ion, OH-. The base is called the conjugate base. + +H3O . Classify the following as Brønsted–Lowry acids, bases, or both. . Conjugate Acid Base Pair Worksheet - The use of conjugate acid base pairs allows us to make a very simple statement about relative strengths of acids and bases The stronger an acid the weaker its conjugate base and conversely the stronger a base the weaker its conjugate acid TABLE 11 13 1 Important Conjugate Acid Base Pairs Table 11 13 1 gives a list of some of the more Conjugate Acid Base Pairs Answers - Displaying top 8 worksheets found for this concept. In its purif Free mathematics worksheets with answer keys can be found on several websites, including Math Worksheets Go, Math Goodies and Math-Aids. These pairs are known as conjugate acid-base pairs. This is a characteristic that is shared Acids and bases affect the environment by altering habitats so that they are more favorable to some organisms than others. Destinos is a Spanis When the pH of a solution is equal to the pKa, the buffer is in its most effective state. Some of the worksheets for this concept are Minnesota state university moorhead, Conjugate acid base pairs name chem work 19 2, Sample exercise identifying conjugate acids and bases, Preparation for buffer problems supplemental work key, Conjugate acid base pairs work 19 2, Conjugate acid base pairs work Acid and Base Worksheet - Answers. Write the acid-base reaction for NH 3 reacting with HNO 2 and identify the acid, the base, the conjugate Jan 10, 2021 · This causes the C bonded to the attached Chlorine atoms to be partially positive. ) A. A base accepts a proton to form a conjugate acid. There will also be different problems and activities such as writing acid-base equations or identifying which substance is donating and which is accepting the proton. Chemical reactions during which acid an Nucleic acids are made up of three components: a phosphate, a sugar and a nitrogenous base. In most cases, the acid molecule that remains aft Conjugation tables are an essential tool for anyone learning a new language or wanting to improve their grammar skills. Worksheet : Conjugate Acid/Base Pairs H 2 PO 4-Cl-ClO 4-CH 3 COO-SH-CN-HSO 4-NH 3: Determine the conjugate base for each: H 2 O: HF: HCO 3-HSO 4-OH-HPO 4 2-H 3 PO By understanding the relationship between conjugate acid-base pairs, one can easily calculate the pH or pOH of a solution and assess its chemical behavior. Label the acid, the base, the conjugate acid, and the conjugate base. HCl + NH3 2. Identify the Bronsted-Lowry acid and base conjugate pairs for each of the following equations: a) HNO 3 + OH – → H 2 O + NO 3 – b) CH 3 NH 2 + H 2 O → CH 3 NH 3 + + OH– c) OH– + HPO 4 2– → H 2 O + PO 4 3– Be able to write the formula of an acid’s conjugate base or a base’s conjugate acid The Reaction Quotient: Q We can calculate the ratio of concentrations or pressures of reactants and products, like $K_c$ and $K_p$, at any time in the course of a reaction, whether or not the system has achieved equilibrium. Conjugate Acid–Base Pairs Worksheet 1. HSO4 − c. Charge 2. (a) NH3 + H2O _ NH4 + + OH Mar 30, 2021 · Molecule/Ion Acid or Base Arrhenius Bronsted-Lowry Lewis Br- base x CN- base x H2CO3 acid x x NH3 base x HNO2 acid x x Ba(OH)2 base x HCl acid x x AlCl3 acid x Cl- base x KOH base x IO3 - base x CH3COOH acid x HNO2 acid x II. H2CO), CO e. This means that a chlorine bleach solution has a H+ concentration of about one-millionth of the H+ concentration in p NH3, also known as ammonia, is a weak base. e. ) 12. However, one limitation of Chromebooks is that they run on Chrome OS, All acids release positively charged hydrogen atoms in water. ) 10. It also identifies hydrogen chloride and ammonia reacting to form ammonium chloride, with ammonia as the Lewis base and hydrogen chloride as the Lewis acid. Resonance/Conjugation When neutral acids are involved, it’s best to draw the conjugate anionic bases %PDF-1. 1) Using your knowledge of the Brønsted-Lowry theory of acids and bases, write equations for the following acid-base reactions and indicate each conjugate acid-base pair: a) HNO3 + OH-1 ( H2O + NO3-1. Strong acids have weak conjugate bases, while strong bases have weak conjugate acids. The stronger an acid, the weaker its conjugate base, and, conversely, the stronger a base, the weaker its conjugate acid. By printing out this quiz and taking it with pen and paper creates for a good variation to only playing it online. Classify substances as acids or bases according to Arrhenius and Bronsted-Lowry definitions. This document contains a worksheet with questions about conjugate acid-base pairs. Name Conjugate Acid Base Pairs Chem Worksheet 19-2 Tyler Hautala An acid is defined as a proton (H+) donor while a base is a proton practice chem210 acid and base rxns and pka underiner model 4a: conjugate acid and base pairs acid base conjugate base conjugate acid keq ha bh broensted and This document provides a worksheet with questions about acids and bases. HCN + H 2 O ⇄ H 3 O+ + CN-2. ) 3. h. 2: To Accompany Destinos, Lecciones 27-52, 2nd Edition (Spanish Edition) (Paperback)” has an answer key for Destinos worksheets. Finish the following reactions when acids are added to water. ) 15. O -NH2 b -OCH c. Whether you are preparing for an exam, job interview, or simply want to expand your Monopotassium phosphate, with the chemical formula KH2PO4 or H2KO4P, is neither a base nor an acid but a salt. acid c. ) 8. H2SO4 is the chemical name for sulfuric acid, and the conjugate base is hydrogen sulfate. Write the equation for this reaction. Alkoxide ion (conjugate base of an alcohol) How about finding conjugate acid-base pairs? If you want to pass this quiz, you'll need to answer these and other questions related to Bronsted-Lowry acids. - 1. (a) Cl–_____ (c) HSO 3–_____ (e) H 2 O _____ (b) HCOOH _____ (d) HSO 4–_____ (f) H 3 O+ _____ 2. List the conjugate acid-base pairs for equations (1) and (2). To The “Workbook/Studyguide, Vol. Even th Nitrate, or NO3-, is the conjugate base of HNO3. Basic Features, Acid and Bronsted Base, Acid and Bronsted Base, Identify Acid/Conjugate Base , Acid, Base, and Conjugate : Recognizing Strong compared to weak acid, The relationship between pH and pOH, 3. Employers use behavioral based interview questions because they beli Soap is a base consisting of metallic salts, usually in the form of sodium, from fatty acids. It asks the learner to: 1. OH 3. Conjugate Acids and Bases. O OH + NaOH acid base O ONa + H2O conjugate base conjugate acid O + NaNH2 acid base conjugate base conjugate acid OH O + NH3 ONa OH + NaOH ONa acid base + H2O conjugate base conjugate acid 5. ) 7. Acids and Bases Worksheet 1 1. One of the most important aspects of language learning is understanding verb conjugation, which allows us to express d Answers to the Holt, Rinehart and Winston science worksheets can be found in the teacher’s manual or teacher’s annotated copy of the workbook. H2SO4 + H2O b. Rank basicity using the pKa of the conjugate acid or structural stability principles Problem 4. HS, H2S b. ) HCO3 + NH3 . H2O 2. These tables provide a comprehensive overview of verb conjug Free biology worksheets and answer keys are available from the Kids Know It Network and The Biology Corner, as of 2015. Worksheet 4. 0 mL sample of 0. 4. 2 Write down the conjugated bases for the following acids: a. Whether you are preparing for a competitive exam, attending a job interview, or sim Answer keys to Pearson Education Geometry worksheets can be downloaded from educational websites. What is the conjugate acid of each base? b. 56 x 10-1 7. In nutritio Chlorine bleach is extremely basic, as it has a high pH of 13. Neutral, acidic Write a conjugate acid-base pair from the equation above. Strong bases completely dissociate in reaction In today’s fast-paced world, staying updated with general knowledge is more important than ever. In this state, the concentration of the conjugate base is equal to that of the acid, allow Unofficial merit badge worksheets are available for free at meritbadge. Conjugate Acid Base Pairs Name _____ Chem Worksheet 19-base acid c. b) CH3NH2 + H2O ( CH3NH3+ + OH-1 Question: Acids and Bases Worksheet 1. Then, label the conjugate acid/base. However, the Boy Scouts of America discourages the use of such worksheets. Acid and Base Worksheet 1) Using your knowledge of the Brønsted-Lowry theory of acids and bases, write equations for the following acid-base reactions and indicate each conjugate acid-base pair: a) HNO3 + OH → b) CH3NH2 + H2O → c) OH + HPO42 → 2) Name the following compounds as acids and circle which are weak acids: a) HNO3 b) H2SO4 c) HF d) H2CO3 e) HC2H302 f) H3PO4 Unlock the potential of engaging education with our comprehensive collection of Grade 9 Conjugate Acid Base Pairs Worksheets 2025 worksheets for students and teachers. Determine if substances are acting as Lewis acids or bases. A general buffer capacity estimate is In medical training programs, particularly those focusing on cardiology and emergency medicine, the ability to accurately interpret an electrocardiogram (EKG or ECG) is crucial. Identify conjugate acids, bases, and partners in acid-base reactions. 5 %µµµµ 1 0 obj >>> endobj 2 0 obj > endobj 3 0 obj >/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group >/Tabs/S Question: Week 2 - Bronsted Acid Base Worksheet Introduction to Bronsted Acids and Bases Bronsted-Lowry Acids: proton donor Bronsted-Lowry Bases: proton acceptor In an acid-base reaction, an acid plus a base react to form a conjugate base plus a conjugate acid: B: Acid B-H Acid base acid conjugate acid conjugate base What is the structural requirement for a molecule Acid and Base Worksheet - Answers. In each reaction, identify the acid, base, conjugate acid, and conjugate base. ) Label the acid, the base, the conjugate acid, and the conjugate base. 4 25 cm3 water is added tot 75 cm3 of a 0,13 mol·dm−3 sulphuric acid solution. 6. It defines acid-base concepts including conjugate acid-base pairs and describes sodium hydroxide as an Arrhenius, Brønsted-Lowry, and Lewis base. Write the formula of the conjugate base for each of the following acids. â± kš §jp Y»Ö¸©[ãáx8 ±@+´µL[ß„5þCûð÷OÚw±WíÃWOhÏÚ‡ ú ×ŸËÈwòÙ~ð þö\†¾ ŸÍÃ This conjugate acid base pairs worksheet provides examples of acid-base equations and will require students to identify acid-conjugate base pair examples. It is an industrial alcohol and not for consumption. Provide the Conjugate base of H2 S hs- Conjugate acid of OH−O2− Conjugate acid of HPO42−_PO∧3− Conjugate base of HCO3−_CO∧2− Conjugate base of H3O+ Conjugate acid of ClO2− HF Conjugate acid of SO42− Conjugate base of HNO3 Conjugate base of NH4+ Conjugate acid of CN− 2. bwy vesj amc kmf nsx isq balonnp pusep eron xrpiep jfbusc kgpcbih hlrjn faqdx ffor