Dichromic Acid
H2Cr2O7 Molar Mass Conversion in Batch
Elem.
Name
Atomic Mass
(g/mol)
Total
Mass Percentage
H
Hydrogen
1.00794
2
0.925%
Cr
Chromium
51.9961
2
47.702%
O
Oxgen
15.9994
7
51.373%
Example Reactions:
• 2CrO3 + H2O = H2Cr2O7
• H2Cr2O7 + 2KOH = K2Cr2O7 + 2H2O
• 2HCl + K2Cr2O7 = 2KCl + H2Cr2O7
• H2Cr2O7 + 3H2SO3 = Cr2(SO4)3 + 4H2O
• 2Na + H2Cr2O7 = H2 + Na2Cr2O7