Answered: 2. A solution prepared by dissolving…

2. A solution prepared by dissolving 2.25 g HA (MW = 51.0) and 4.00 g of NaA in 500 ml of solution has a pH of 6.02. Calculate the Ka of the acid. х 10-6

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section: Chapter Questions

Problem 82GQ: For each of the following cases, decide whether the pH is less than 7, equal to 7, or greater than...

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Answer number 2 only

1. A 0.0722 M solution of a weak acid has a pH of 3.11. Calculate the Ka of this acid..
х 10-6
2. A solution prepared by dissolving 2.25 g HA (MW = 51.0) and 4.00 g of NaA in 500 ml of solution has a
pH of 6.02. Calculate the Ka of the acid.
х 10-6
3. Calculate the pH of the solution prepared by adding 0.10 mol each of hydroxylamine and hydrochloric
acid to 500 mL water.

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