What Is the Hydronium Ion Concentration of a 0

question 171

Multiple Choice

What is the hydronium ion concentration of a 0.20 M solution of ammonia? The K_b value for ammonia is 1.8 *10^-5.

• A) 2.8 *10^-10
• B) 5.5 *10^-10
• C) 1.8 *10^-5
• D) 5.2 *10^-12
• E) 1.9 *10^-3

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