Pyrosulfuric Acid
H2S2O7 Molar Mass Conversion in Batch
Elem.
Name
Atomic Mass
(g/mol)
Total
Mass Percentage
H
Hydrogen
1.00794
2
1.132%
S
Sulfur
32.065
2
35.999%
O
Oxgen
15.9994
7
62.869%
Example Reactions:
• H2SO4 + SO3 = H2S2O7
• H2S2O7 + H2O = 2H2SO4