Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mg(NO3)2.3H2O -- 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: Mg(NO3)2.3H2O
Molar Mass: 202.3574 g/mol        1g=4.94175157419496E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                1                  24.305                        12.01%
N                  2                  14.007                        13.84%
O                  9                  15.999                        71.16%
H                  6                  1.0079                        2.99%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 3/16/2026 10:33Molar Mass Calculator Formula: C6H42N6Cl3Co 3/16/2026 10:33Molar Mass Calculator Formula: c6h102 3/16/2026 10:33Molar Mass Calculator Formula: C9NH9 3/16/2026 10:33Molar Mass Calculator Formula: K2Cr2O5 3/16/2026 10:33Molar Mass Calculator Formula: 2KHC4H4O6