Consider how best to prepare one liter of a buffer solution with pH = 10.75 using one of the weak acid/conjugate base systems shown here. Weak Acid Conjugate Base Ka 6.4 x 10-5 6.2 x 10-8 4.8 x 10-11 HC₂04 H₂PO4 HCO3 C₂04²- HPO4²- co₂²- pka 4.19 7.21 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium sait 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 = grams sodium salt of conjugate base

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N.19.

 

Prepare a buffer by direct addition.
Consider how best to prepare one liter of a buffer solution with pH = 10.75 using one of the weak acid/conjugate base
systems shown here.
Weak Acid Conjugate Base
HC₂04
C₂04²-
H₂PO4
HPO42-
HCO3
co₂2
Ka
6.4 x 10-5
6.2 x 10-8
4.8 x 10-11
Check & Submit Answer
pka
4.19
How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium sait 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 =
grams sodium salt of conjugate base =
Show Approach
7.21
10.32
Transcribed Image Text:Prepare a buffer by direct addition. Consider how best to prepare one liter of a buffer solution with pH = 10.75 using one of the weak acid/conjugate base systems shown here. Weak Acid Conjugate Base HC₂04 C₂04²- H₂PO4 HPO42- HCO3 co₂2 Ka 6.4 x 10-5 6.2 x 10-8 4.8 x 10-11 Check & Submit Answer pka 4.19 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium sait 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 = grams sodium salt of conjugate base = Show Approach 7.21 10.32
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