What is the molar mass of (NH4)2Cr207 (Ammonium dichromate)?
The molar mass of ammonium dichromate is
To calculate the molar mass of a compound, you multiply the subscripts of each element times its molar mass (atomic weight in g/mol).
When there is no written subscript, it is understood to be
Molar Masses of the Elements
Molar Mass of Ammonium Dichromate