Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:HC6H5O7-2 -- 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: HC6H5O7-2
Molar Mass: 188.1064 g/mol        1g=5.31614022702045E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
H                  4                  1.0079                        2.15%
C                  5.8              12.011                        37.25%
O                  6.9              15.999                        58.47%

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