Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2S2O. 5H20 -- 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: Na2S2O. 5H20
Molar Mass: 151.2566 g/mol        1g=6.61128175563909E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2.2              22.9898                       33.7%
S                  2.2              32.06                         45.7%
O                  1.3              15.999                        13.88%
H                  25                1.0079                        16.63%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 1/14/2025 16:04Molar Mass Calculator Formula: Ch3Ch2Ch2Ch2COONa 1/14/2025 16:04Molar Mass Calculator Formula: (MnFe2O4) 1/14/2025 16:04Molar Mass Calculator Formula: C4H12NO 1/14/2025 16:03Molar Mass Calculator Formula: h202 1/14/2025 16:03Molar Mass Calculator Formula: Ca3O