A buffer solution is made that is 0.413 M in HCN  and 0.413 M in KCN. If Ka for HCN  is 4.00 x 10-10, what is the pH of the buffer solution? pH =  Write the net ionic equation for HBr the reaction that occurs when 0.120 mol  is added to 1.00 L of the buffer solution.

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter15: Complex Ion And Precipitation Equilibria
Section: Chapter Questions
Problem 14QAP: A buffer solution is prepared by adding 5.50 g of ammonium chloride and 0.0188 mol of ammonia to...
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A buffer solution is made that is 0.413 M in HCN  and 0.413 M in KCN.

If Ka for HCN  is 4.00 x 10-10, what is the pH of the buffer solution?

pH = 

Write the net ionic equation for HBr the reaction that occurs when 0.120 mol  is added to 1.00 L of the buffer solution.

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