Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2b4o7.10h2o -- 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: Na2b4o7.10h2o
Molar Mass: 381.3646 g/mol        1g=2.62216262337931E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2                  22.9898                       12.06%
b                  4                  10.811                        11.34%
o                  17                15.999                        71.32%
h                  20                1.0079                        5.29%

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