100ml sample of water is titrated with 1.00 x 10^-2 M HCl. Its original pH is 8.10....

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100ml sample of water is titrated with 1.00 x 10^-2 M HCl. Its original pH is 8.10. After adding 5.06ml of HCl the pH is 7.10. After adding 25.29ml of the acid its pH is 4.30.

A. What is the buffer capacity of the sample?

B. What is the alkalinity of the sample?

C. What is the concentration of the bicarbonate ion in the original sample if the Ka2 of H2CO3 is 4.76 x 10^-11?

Related Book For answer-question

Chemistry

ISBN: 978-0077274313

10th edition

Authors: Raymond Chang

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Posted Date: Apr 11, 2020 07:51 AM

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100ml sample of water is titrated with 1.00 x 10^-2 M HCl. Its original pH is 8.10....

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