Design a buffer that has a pH of 6.52 using one of the weak acid/conjugate base systems shown below. Weak Acid Conjugate Base HC₂04 H₂PO4 HCO3 C₂04²- HPO4²- CO3²- Ka 6.4 x 10-5 grams sodium salt of conjugate base = 6.2 x 10-8 pka 4.19 7.21 4.8 x 10-11 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams sodium salt of weak acid =

Chemistry: The Molecular Science
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Chapter15: Additional Aqueous Equilibria
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Problem 30QRT
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Design a buffer that has a pH of 6.52 using one of the weak acid/conjugate base systems shown below.
Weak Acid
HC₂04
H₂PO4
HCO3
Conjugate Base
C₂04²-
HPO4²
2-
2-
CO3²-
Ka
grams sodium salt of conjugate base =
6.4 x 10-5
pka
4.19
7.21
6.2 x 10-8
4.8 x 10-11 10.32
How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its
conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base?
grams sodium salt of weak acid =
Transcribed Image Text:Design a buffer that has a pH of 6.52 using one of the weak acid/conjugate base systems shown below. Weak Acid HC₂04 H₂PO4 HCO3 Conjugate Base C₂04²- HPO4² 2- 2- CO3²- Ka grams sodium salt of conjugate base = 6.4 x 10-5 pka 4.19 7.21 6.2 x 10-8 4.8 x 10-11 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams sodium salt of weak acid =
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