# What is the percentage of ammonium ions in ammonium dichromate?

##### 1 Answer

May 6, 2015

The formula unit for ammonium dichromate is

The ammonium ion,

To find the percentage of ammonium cations in ammonium dichromate, divide the total mass of the ammonium cations by the molar mass of ammonium dichromate and multiply times 100.