solution of pyridinium bromide has a pH of 2.95. NH* and Br. An aqueous electrolyte that Write out the reaction that leads to this acidic pH. (b) Using Appendix D, calculate the Ka for pyridinium (c) A solution of pyridinium bromide has a pH of 2.95. లర్ శి2 (a) What is the concentration of the pyridinium cation at equilibrium, in units of molarity? 16.83 Predict whether aqueous solutions of the following com- pounds are acidic, basic, or neutral: (a) NH,Br, (b) FeCl3, 16.84 Predict whether aqueous solutions of the following sub- (c) NA2CO3, (d) KCIO4, (e) NaHC2O4. stances are acidic, basic, or neutral: (a) AIC13, (b) NaBr, (c) NACIO, (d) [CH;NH3]NO3, (e) Na,SO3. З» 16.85 An unknown salt is either NaF, NaCl, or NaOCl. When 0.050 mol of the salt is dissolved in water to form 0.500 L of solution, she nH of the solution is 8.08. What is the identity of the salt? 16 86 An unknown salt is either KBr, NH4CI, KCN, or K,CO3. If 0.100 M solution of the salt is neutral, what is the identity c the salt? Acid-Base Character and Chemical Structure Section 16.10) 16.87 Predict the stronger acid in each pair: (a) HNO3 or H- H2S or H2O; (c) H,SO, or H,SeO4; (d) CH3COOH OF COOH. nir: (a) HCl o

solution of pyridinium bromide has a pH of 2.95. NH* and Br. An aqueous electrolyte that Write out the reaction that leads to this acidic pH. (b) Using Appendix D, calculate the Ka for pyridinium (c) A solution of pyridinium bromide has a pH of 2.95. లర్ శి2 (a) What is the concentration of the pyridinium cation at equilibrium, in units of molarity? 16.83 Predict whether aqueous solutions of the following com- pounds are acidic, basic, or neutral: (a) NH,Br, (b) FeCl3, 16.84 Predict whether aqueous solutions of the following sub- (c) NA2CO3, (d) KCIO4, (e) NaHC2O4. stances are acidic, basic, or neutral: (a) AIC13, (b) NaBr, (c) NACIO, (d) [CH;NH3]NO3, (e) Na,SO3. З» 16.85 An unknown salt is either NaF, NaCl, or NaOCl. When 0.050 mol of the salt is dissolved in water to form 0.500 L of solution, she nH of the solution is 8.08. What is the identity of the salt? 16 86 An unknown salt is either KBr, NH4CI, KCN, or K,CO3. If 0.100 M solution of the salt is neutral, what is the identity c the salt? Acid-Base Character and Chemical Structure Section 16.10) 16.87 Predict the stronger acid in each pair: (a) HNO3 or H- H2S or H2O; (c) H,SO, or H,SeO4; (d) CH3COOH OF COOH. nir: (a) HCl o

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 58P

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