Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:KAlSi2O7 -- 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: KAlSi2O7
Molar Mass: 234.243 g/mol        1g=4.26907100745807E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  1                  39.098                        16.69%
Al                1                  26.982                        11.52%
Si                2                  28.085                        23.98%
O                  7                  15.999                        47.81%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 5/25/2025 22:09Molar Mass Calculator Formula: Co3HC 5/25/2025 22:08Molar Mass Calculator Formula: Br-2 5/25/2025 22:08Molar Mass Calculator Formula: Cl(NaI) 5/25/2025 22:08Molar Mass Calculator Formula: Al2(SO4)9H2O 5/25/2025 22:08Molar Mass Calculator Formula: C4h9