An aqueous solution contains 0.396 M ethylamine (C2H5NH2). How many mL of 0.268 M perchloric acid would have to be added to 125 mL of this solution in order to prepare a buffer with a pH of 10.500? __________ mL

An aqueous solution contains 0.396 M ethylamine (C2H5NH2). How many mL of 0.268 M perchloric acid would have to be added to 125 mL of this solution in order to prepare a buffer with a pH of 10.500? __________ mL

Chemical Principles in the Laboratory

11th Edition

ISBN:9781305264434

Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Chapter25: Ph Measurements-buffers And Their Properties

Section: Chapter Questions

Problem 5ASA

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Question

An aqueous solution contains 0.396 M ethylamine (C₂H₅NH₂).

How many mL of 0.268 M perchloric acid would have to be added to 125 mL of this solution in order to prepare a buffer with a pH of 10.500?

__________ mL

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