GKFix MCQ Question

What ions are present in an aqueous solution of ammonia before any acid or salt is added?

• A. NH3(aq), NH4+(aq), OH-(aq), and H2O
• B. NH3(aq) and H2O only
• C. NH4+(aq) and OH-(aq) only
• D. NH3(aq), H+(aq), and OH-(aq)