buffer is made up of 0.3 L each of a 0.5 M KH2PO4 and 0.317 M K2HPO4. assuming that volumes are additives calculate  a) the pH of the buffer b) the pH of the buffer after the addition of 0.0500mol of HCl to 0.600 L of buffer c) the pH of the buffer after the addition of 0.5 mol of NaOH to 0.600 L of buffer

Chemistry: Principles and Reactions
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ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
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Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 29QAP: A buffer is made up of 0.300 L each of 0.500 M KH2PO4 and 0.317 M K2HPO4. Assuming that volumes are...
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A buffer is made up of 0.3 L each of a 0.5 M KH2PO4 and 0.317 M K2HPO4. assuming that volumes are additives calculate 

a) the pH of the buffer

b) the pH of the buffer after the addition of 0.0500mol of HCl to 0.600 L of buffer

c) the pH of the buffer after the addition of 0.5 mol of NaOH to 0.600 L of buffer

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