question archive Which weak acid would be best to use when preparing a buffer solution with a pH of 9
Which weak acid would be best to use when preparing a buffer solution with a pH of 9
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Which weak acid would be best to use when preparing a buffer solution with a pH of 9.40?
a) An acid with Ka= 6.3 x 10^-5 M
b) An acid with kA= 2.5 x 10^-11 M
c) An acid with Ka= 5.0 x 10^-6 M
d) An acid with Ka= 6.3 x 10^-8 M
e) An acid with Ka= 7.9 x 10^-7
f) An acid with Ka= 4.2 x 10^-10 M
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