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What Is the Equilibrium Concentration of Ammonium Ion in a 0.33

Question 85

Multiple Choice

What is the equilibrium concentration of ammonium ion in a 0.33 M solution of ammonia (NH₃,K_b = 1.8 × 10^-5) at 25^oC?

A) 3.0 × 10^-14 M
B) 4.1 × 10^-12 M
C) 2.4 × 10^-3 M
D) 7.4 × 10^-3 M
E) 3.3 × 10^-1 M

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