Prepare a buffer by direct addition. Consider how best to prepare one liter of a buffer solution with pH = 6.44 using one of the weak acid/conjugate base systems shown here. Weak Acid Conjugate Base C₂0₂²- HPO ²- Co₂²- HC₂04 H₂PO4 HCO3 Ka 6.4 x 10-5 6.2 x 10-8 4.8 x 10-11 pk₂ 4.19 7.21 10.32 How many grams of the potassium salt of the weak acid must be combined with how many grams of the potassium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams potassium salt of weak acid - grams potassium salt of conjugate base- Check & Submit Anger Show Approach
Prepare a buffer by direct addition. Consider how best to prepare one liter of a buffer solution with pH = 6.44 using one of the weak acid/conjugate base systems shown here. Weak Acid Conjugate Base C₂0₂²- HPO ²- Co₂²- HC₂04 H₂PO4 HCO3 Ka 6.4 x 10-5 6.2 x 10-8 4.8 x 10-11 pk₂ 4.19 7.21 10.32 How many grams of the potassium salt of the weak acid must be combined with how many grams of the potassium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams potassium salt of weak acid - grams potassium salt of conjugate base- Check & Submit Anger Show Approach
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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Transcribed Image Text:Prepare a buffer by direct addition.
Consider how best to prepare one liter of a buffer solution with pH = 6.44 using one of the weak acid/conjugate base
systems shown here.
Weak Acid Conjugate Base
HC₂04
C₂04²-
H₂PO4
HPO 2-
HCO3
CO3²-
Ka
6.4 x 10-5
6.2 x 10-8
4.8 x 10-11
pk₂
4.19
7.21
10.32
How many grams of the potassium salt of the weak acid must be combined with how many grams of the potassium salt
of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base?
grams potassium salt of weak acid=
grams potassium salt of conjugate base-
Check & Submit Anger Show Approach
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