To calculate the number of particles N use, n x NA, To calculate the mass use, n x M, Molar mass, the mass of 1 mole of a substance, n, Quantity of matter, To calculate the molar mass, GGet the sum of all atomic masses of elements, Formula mass (molecular mass), he average mass of a molecule of a compound, Atomic mass, the average mass of an atom of an element, 1 mole of water contains, 18 g, 1 mole of Sulfur contains, 32 g, Molar mass of water is, 18 g/mol

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