Question

What is the name for `(NH_4)_2SO_4`?

Answer 1

Ammonium sulfate

Explanation:

`(NH_4)_2SO_4` is an ionic compound.

`NH_4^+` is the ammonium ion and `SO_4^(2-)` is the sulfate ion. For every sulfate ion, there must be two ammonium ions as to reach a neutral charge, thus the compound formula is `(NH_4)_2SO_4`.