How is molar mass of an element used to convert from number of mass in grams?
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In simple terms, molar mass of a substance is the total weight of that substance (in either kilogram or gram) for one mole of that substance. That is, the weight of a substance for 6.02214076×10^23 molecules or atoms of that substance. As an example, the molar mass of water: M(H2O) ≈18.015 g/mol.
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