Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:CaCO3.12H20 -- 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: CaCO3.12H20
Molar Mass: 341.984 g/mol        1g=2.92411340881445E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Ca                1                  40.08                         11.72%
C                  1                  12.011                        3.51%
O                  3                  15.999                        14.03%
H                  240              1.0079                        70.73%

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