If a buffer solution is 0.160 M in a weak base (K, = 2.1 x 10-5) and 0.600 M in its conjugate acid, what is the pH?MacmillanDpH =$O 8:1IOI4RF15%5af6306f7TY80G H718D➡+8J19309K10▷IIOf11LDAIO P762°F12✈+^ 4>)[1166insert4}4:46 PM10/5/20221prt sc←backspace1pause

Answered: If a buffer solution is 0.160 M in a…

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

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

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If a buffer solution is 0.160 M in a weak base (K, = 2.1 x 10-5) and 0.600 M in its conjugate acid, what is the pH?
Macmillan
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pH =
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O 8:1
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4:46 PM
10/5/2022
1
prt sc
←backspace
1
pause

Expert Solution

Step 1

pH is the power of hydronium ion concentration. It is used to determine the acidity or alkalinity of a substance. If the substance is acidic the pH is less than 7, and if it is basic the pH value goes above 7. If the pH value is 7, the substance is neutral. pH value can range from 1 to 14.

Given: Concentration of weak base is 0.160 M, the concentration of conjugate acid is 0.600 M, and the value of K_b (base dissociation constant) is $2.1 \times 10^{- 5}$ .

To calculate: Value of pH.

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