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What Is the Concentration of [OH^-] in a 0

Question 64

Multiple Choice

What is the concentration of [OH^-] in a 0.20 M solution of ammonia? The K_b value for ammonia is
1.8 *10^-⁵.

A) 3.6 *10^-⁶ M
B) 1.8 *10^-⁵ M
C) 0.20 M
D) 1.9 * 10^-³ M
E) 4.2 *10^-⁴ M

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