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Question
A 0.20 Msolution of a weak monoprotic acid is 0.18 % ionized. What is the acid-ionization constant, Ka, for this acid?
A) 1.3 x 10-6
B) 1.8 x 10-6
C) 0.9 x 10-4
D) 1.6 x 10-5
E) 6.5 x 10-7
Answer
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