Design a buffer that has a pH of 7.18 using one of the weak base/conjugate acid systems shown below. Weak Base Conjugate Acid Ka pKa CH;NH2 4.2x10+ CH;NH;* 2.4x10-11 10.62 CGH1503N 5.9×107 CGH1503NH* 1.7x10-8 7.77 C3H;N 1.5x10-9 C3H3NH* 6.7x10-6 5.17 How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams bromide salt of conjugate acid = grams weak base =

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Design a buffer that has a pH of 7.18 using one of the weak base/conjugate acid systems shown below.
Weak Base
K,
Conjugate Acid
Ka
pKa
CH;NH2
4.2x10-4
CH;NH;*
2.4x10-11
10.62
CH150;N
5.9x10-7
C6H1503NH*
1.7x10-8
7.77
C;H;N
1.5x109
C;H;NH*
6.7x10-6
5.17
How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00
M in the weak base?
grams bromide salt of conjugate acid =
grams weak base =
Transcribed Image Text:Design a buffer that has a pH of 7.18 using one of the weak base/conjugate acid systems shown below. Weak Base K, Conjugate Acid Ka pKa CH;NH2 4.2x10-4 CH;NH;* 2.4x10-11 10.62 CH150;N 5.9x10-7 C6H1503NH* 1.7x10-8 7.77 C;H;N 1.5x109 C;H;NH* 6.7x10-6 5.17 How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams bromide salt of conjugate acid = grams weak base =
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