Design a buffer that has a pH of 6.94 using one of the weak base/conjugate acid systems shown below. Weak Base Conjugate Acid Ka pKa CH;NH, 4.2x10-4 CH;NH; 2.4x10-11 10.62 CH1503NH C3H3NH CGH1503N 5.9x10-7 1.7x108 7.77 C;H;N 1.5x109 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 = 150.2 grams weak base 20.98

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Design a buffer that has a pH of 6.94 using one of the weak base/conjugate acid systems shown below.
Weak Base
Conjugate Acid
Ka
pKa
CH;NH2
4.2x10-4
CH3NH3
2.4x10-11
10.62
CGH1503N
5.9x10-7
CGH15O3NH*
1.7×10-8
7.77
C;H;N
1.5×10-9
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 = 150.2
grams weak base =|20.98
Transcribed Image Text:Design a buffer that has a pH of 6.94 using one of the weak base/conjugate acid systems shown below. Weak Base Conjugate Acid Ka pKa CH;NH2 4.2x10-4 CH3NH3 2.4x10-11 10.62 CGH1503N 5.9x10-7 CGH15O3NH* 1.7×10-8 7.77 C;H;N 1.5×10-9 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 = 150.2 grams weak base =|20.98
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