Sodium Hydroxide Is Added to a Buffer Solution of Ammonia

Multiple Choice

Sodium hydroxide is added to a buffer solution of ammonia, N , and ammonium chloride, . What is the effect on the concentration of ammonia? What is the effect on the concentration of ammonium chloride?

A) Sodium hydroxide reacts with both the ammonia and ammonium chloride, so the concentration of both decreases.
B) Sodium hydroxide reacts with only the ammonium chloride, so the concentration of the ammonium chloride decreases and the concentration of ammonia increases.
C) Sodium hydroxide reacts with both the ammonia and ammonium chloride, so the concentration of both increases.
D) Sodium hydroxide reacts with only the ammonia, so the concentration of the ammonium chloride increases and the concentration of ammonia decreases.