Ammonium Dichromate
(NH4)2Cr2O7 Molar Mass Conversion in Batch
Elem.
Name
Atomic Mass
(g/mol)
Total
Mass Percentage
N
Nitrogen
14.0067
2
11.114%
H
Hydrogen
1.00794
8
3.199%
Cr
Chromium
51.9961
2
41.256%
O
Oxgen
15.9994
7
44.431%
Example Reactions:
• (NH4)2Cr2O7 = Cr2O3 + N2 + 4H2O
• (NH4)2Cr2O7 + Ba(OH)2 = BaCr2O7 + 2NH3 + 2H2O
• (NH4)2Cr2O7 + 2AgNO3 = Ag2Cr2O7↓ + 2NH4NO3