Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Zn.2O2C2H3.2H2O.3H2SO4.C21H43N5O7 -- e-Tools Age

	Calculate molar mass
	Enter a chemical formula in the field below, pay attention to formula is case sensitive!!!	The formula should be entered as: H₂SO₄= H2SO4 CuSO₄.5H2O=CuSO4.5H2O 3BeO.Al2O₃.6SiO₂= (BeO)3.Al2O3.6SiO2

Calculations:
Formula: Zn.2O2C2H3.2H2O.3H2SO4.C21H43N5O7
Molar Mass: 991.3111 g/mol        1g=1.0087650587187E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Zn                1                  65.38                         6.6%
O                  25                15.999                        40.35%
C                  25                12.011                        30.29%
H                  59                1.0079                        6%
S                  3                  32.06                         9.7%
N                  5                  14.007                        7.06%

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