Write the formulas of the compounds formed by NH4+ with the following anions: NO3−, HCO3−, SO42−, HPO42−.

Question

Express your answers as chemical formulas separated by commas. Use the given order of anions.

Answer 1

match so the compound is zero charge as in
NH4NO3
NH4HCO3
(NH4)2SO4
(NH4)2HOI4
etc.