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 C₂04²- HPO 2- Co₂²- HC₂04 H₂PO4 HCO₂ Ka 6.4 x 10-5 6.2 x 10-8 4.8 x 10-11 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? weak acid - pk₂ 4.19 7.21 10.32 grams potassium salt of grams potassium salt of conjugate base=

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Tutored Practice Problem 17.2.6 COUNTS TOWARDS GRADE
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 Ka
HC₂04
H₂PO4
HCO3
C₂04²-
HPO 2-
CO3²-
6.4 x 10-5
6.2 x 10-8
4.8 x 10-11
Check & Submit Anger
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 -
pk,
4.19
7.21
10.32
Show Approach
Transcribed Image Text:Tutored Practice Problem 17.2.6 COUNTS TOWARDS GRADE 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 Ka HC₂04 H₂PO4 HCO3 C₂04²- HPO 2- CO3²- 6.4 x 10-5 6.2 x 10-8 4.8 x 10-11 Check & Submit Anger 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 - pk, 4.19 7.21 10.32 Show Approach
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