What Is the Concentration of [OH^-] in a 0 $\times$ 10^-5 $\times$

question 19

Multiple Choice

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

• A)3.6 \(\times\) 10^-6 M
• B)1.8 \(\times\) 10^-5 M
• C)0.20 M
• D)1.9 \(\times\) 10^-3 M
• E)4.2 \(\times\) 10^-4 M

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