Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:MgCl2.3H20 -- 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: MgCl2.3H20
Molar Mass: 155.685 g/mol        1g=0.006423226386614 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                1                  24.305                        15.61%
Cl                2                  35.453                        45.54%
H                  60                1.0079                        38.84%

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