Grams to Moles Calculator
Grams to Moles
Common Compounds
Formula
n = m / M | where n = moles, m = mass (g), M = molar mass (g/mol)
Frequently Asked Questions
How do I convert grams to moles?
Divide the mass in grams by the molar mass of the substance: n = mass (g) / molar mass (g/mol). For example, 36 g of water (molar mass 18.015 g/mol) = 36 / 18.015 = 1.999 mol.
What is molar mass?
Molar mass is the mass of one mole of a substance, expressed in grams per mole (g/mol). It equals the sum of atomic masses of all atoms in the molecular formula.
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