A 8.5 x 10 -3 M solution of a weak acid is 4.6% dissociated at 25°C. In a 8.5 x 10 4 M solution, the percentage of dissociation would be O a. the same b. need to know the Ka of the acid to answer this O c. > 4.6% O d. zero O e. < 4.6%

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А 8.5 х 10
M solution of a weak acid is 4.6% dissociated at 25°C. In a 8.5 x 10 4 M solution, the percentage of dissociation would
be
a, the same
b. need to know the Ka of the acid to answer this
c. > 4.6%
d. zero
e. < 4.6%
Transcribed Image Text:-3 А 8.5 х 10 M solution of a weak acid is 4.6% dissociated at 25°C. In a 8.5 x 10 4 M solution, the percentage of dissociation would be a, the same b. need to know the Ka of the acid to answer this c. > 4.6% d. zero e. < 4.6%
If Ka for a hypothetical acid HA is 2.30 x 106, what is Kb for A-?
O a. 4.45 x 10 5
O b.6.17 x 10 -4
O c. 1.62 x 10 -5
d. 4.35 x 10 -9
e. none of these
Transcribed Image Text:If Ka for a hypothetical acid HA is 2.30 x 106, what is Kb for A-? O a. 4.45 x 10 5 O b.6.17 x 10 -4 O c. 1.62 x 10 -5 d. 4.35 x 10 -9 e. none of these
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