A buffer is prepared by mixing 48.9 g of NH3 and 48.9 g of NH¼CI in 0.683 L of solution. What is the pH of this buffer, and what will the pH change to if 7.68 g of HCI is then added to the mixture? Your answer is correct. pH of this buffer= 9.62 Hint

A buffer is prepared by mixing 48.9 g of NH3 and 48.9 g of NH¼CI in 0.683 L of solution. What is the pH of this buffer, and what will the pH change to if 7.68 g of HCI is then added to the mixture? Your answer is correct. pH of this buffer= 9.62 Hint

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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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

CuFrent Attempt in PPogress
A buffer is prepared by mixing 48.9 g of NH3 and 48.9 g of NH,Cl in 0.683 L of solution. What is the pH of this buffer, and what will the
pH change to if 7.68 g of HCI is then added to the mixture?
Your answer is correct.
pH of this buffer=
9.62
Hint
Your answer is incorrect.
The pH change =
i
(in case of decreasing pH the answer should be negative).
Hint
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