If an acid, HA, is 10.0% dissociated in a 1.0 M solution, what is Ka for this acid?
A) 6.3 × 10–2
B) 9.1 × 10–2
C) 8.1 × 10–1
D) 1.1 × 10–2
E) none of these
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What scientific concept do you need to know in order to solve this problem?
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