Mole, Gram & Particle Converter
Convert between grams, moles and number of atoms or molecules using the molar mass and Avogadro's number, free online.
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moles = grams ÷ molar mass, and particles = moles × 6.02214076×10²³ (Avogadro's number). Enter any one of grams, moles or particles together with the molar mass to get the others.