Calculate the mass of phosphorus oxide if it was taken in an amount of 5 mol.

univerkov | September 7, 2021 | education

The mass of a substance can be calculated using the formula m = n * M, in which the mass of a given substance is denoted by m, the amount of a substance is n, and the molar mass of a substance is M.

Let us find its molar mass for the substance P2O5.

M (P2O5) = 2 * 31 + 5 * 16 = 62 + 80 = 142 g / mol.

m (P2O5) = 142 g / mol * 5 mol = 710 g.

Answer: m (P2O5) = 710 g.

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