What is the pH of a buffer that contains 0.356 M H2C6H606 and0.647 М НС,Н,О6?Ka1 = 7.9 × 10-5Ka2 = 1.6 x 10-12IMPORTANT: When entering your answer:• Erter the number only (no units)• Do not leave any spaces• Use a leading zero before the decimal when necessaryReport your number to 2 decimal places (regardless of thesignificant figures)• Correctly round your answer to the 2nd decimal place(allowed margin of error is only + 0.01, so always use un-rounded numbers in your calculations)Examples: 0.12 or 9.87

In the given problem, H2C6O6 is a weak acid and HC6O6- is the salt form of the weak acid. pH of a…

Answered: What is the pH of a buffer that…

What is the pH of a buffer that contains 0.356 M H2C,H6O6 and 0.647 M HC6H606? Ka1 = 7.9 x 10-5 %3D Ka2 = 1.6 x 10-12 %3D

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

What is the pH of a buffer that contains 0.356 M H2C6H606 and
0.647 М НС,Н,О6?
Ka1 = 7.9 × 10-5
Ka2 = 1.6 x 10-12
IMPORTANT: When entering your answer:
• Erter the number only (no units)
• Do not leave any spaces
• Use a leading zero before the decimal when necessary
Report your number to 2 decimal places (regardless of the
significant figures)
• Correctly round your answer to the 2nd decimal place
(allowed margin of error is only + 0.01, so always use un-
rounded numbers in your calculations)
Examples: 0.12 or 9.87

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