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An acid is found to have a Kg = 2.6 × 10-4. Calculate the value its pKa. O a. +8.25 O b. -3.59 Ос +3.59 O d. -8.25

An acid is found to have a Kg = 2.6 × 10-4. Calculate the value its pKa. O a. +8.25 O b. -3.59 Ос +3.59 O d. -8.25

Chemistry
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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An acid is found to have a Kg = 2.6 × 10-4. Calculate the value its pKą. O a. +8.25 O b. -3.59 О с. +3.59 -8.25
Transcribed Image Text:An acid is found to have a Kg = 2.6 × 10-4. Calculate the value its pKą. O a. +8.25 O b. -3.59 О с. +3.59 -8.25
How many mL of 0.2 M sodium acetate and 0.2 M acetic acid are needed to prepare 1 liter of 0.1 M buffer solution with a pH of 4.8? (pK, of acetic acid = 4.8) 500 ml acetic acid and 500 ml sodium acetate. O b. 250 ml acetic acid and 250 ml sodium acetate, then 500 ml water. 250 ml acetic acid and 500 ml sodium acetate, then 250 ml water. O d. 500 ml acetic acid and 250 ml sodium acetate, then 250 ml water.
Transcribed Image Text:How many mL of 0.2 M sodium acetate and 0.2 M acetic acid are needed to prepare 1 liter of 0.1 M buffer solution with a pH of 4.8? (pK, of acetic acid = 4.8) 500 ml acetic acid and 500 ml sodium acetate. O b. 250 ml acetic acid and 250 ml sodium acetate, then 500 ml water. 250 ml acetic acid and 500 ml sodium acetate, then 250 ml water. O d. 500 ml acetic acid and 250 ml sodium acetate, then 250 ml water.
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