25. A sodium hydrogen carbonate-sodium carbonate buffer is to be prepared with a pH of 9.40. OX lo lom 0250.0 dai (a) What must the [HCO3 ]/[CO3?¯] ratio be? (b) (b) How many moles of sodium hydrogen carbonate must be added to a liter of 0.225 M Na2CO3 to give this pH?

25. A sodium hydrogen carbonate-sodium carbonate buffer is to be prepared with a pH of 9.40. OX lo lom 0250.0 dai (a) What must the [HCO3 ]/[CO3?¯] ratio be? (b) (b) How many moles of sodium hydrogen carbonate must be added to a liter of 0.225 M Na2CO3 to give this pH?

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 25QAP: A sodium hydrogen carbonate-sodium carbonate buffer is to be prepared with a pH of 9.40. (a) What...

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How do I solve 25.ab? :)

25. A sodium hydrogen carbonate-sodium carbonate buffer
is to be prepared with a pH of 9.40. OX lo lom 0250.0
dai (a) What must the [HCO3 ]/[CO3?¯] ratio be? (b)
(b) How many moles of sodium hydrogen carbonate must
be added to a liter of 0.225 M Na2CO3 to give this pH?

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