Problem: If an acid, HA, is 10.0% dissociated in a 1.0 M solution, what is Ka for this acid?A) 6.3 × 10–2B) 9.1 × 10–2C) 8.1 × 10–1D) 1.1 × 10–2E) none of these

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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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