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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