Ammonia shares its lone pair of electrons with an acidic hydrogen atom to form the ammonium cation, which has a positive 1 charge.

These problems are easier than the previous problems in that you only have to write the ammonium salt of the anion formed from the acid as the answer...a nomenclature problem.

Try using this logic on the following acid-base problems.

HF (aq) + NH₃ (aq) ® answer

H₃PO₄ (aq) + NH₃ (aq) ® answer