Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2HPO4-7H20 -- 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: Na2HPO4-7H20
Molar Mass: 155.1155 g/mol        1g=6.44680899071982E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                1.7              22.9898                       25.13%
H                  14.1            1.0079                        9.13%
P                  0.8              30.974                        15.46%
O                  3.6              15.999                        36.74%

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