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A 0100 M Solution of an Acid, HA, Has a PH

Question 159

Multiple Choice

A 0.100 M solution of an acid, HA, has a pH = 2.00. What is the value of the ionization constant, K_a for this acid?

A) 1.1 × 10^-2
B) 1.1 × 10^-3
C) 1.1 × 10^-4
D) 1.0 × 10^-3
E) 1.0 × 10^-4

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