Number of Ions in Ammonium Sulfate

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How many ions are there in Ammonium Sulfate?

3.

Ammonium sulfate, whose molecular formula is (NH4)2SO4, contains 3 ions: 2 ammonium ions and one sulfate ion. Ammonium (NH4+) is a polyatomic cation which results from the addition of 1 proton to Ammonia (NH3). Sulfate (SO42-), on the other hand, is a polyatomic anion (or oxyanion) composed by a sulfur atom enclosed by four oxygen atoms arranged as a tetrahedron.

 

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