Ammonia (NH₃) Is a Weak Base That Reacts with a Strong

question 37

Multiple Choice

Ammonia (NH₃) is a weak base that reacts with a strong acid to form the ammonium ion, NH₄⁺. If 5.00 mL of a solution of an ammonia cleaner is titrated directly with 42.6 mL of 0.5000 M HCl, what is the concentration of the NH₃ in solution? (Assume that the ammonia is the only solute that reacts with the acid.)

• A) 0.0587 M
• B) 0.107 M
• C) 4.26 M
• D) 1.07 M
• E) 5.87 M

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