Find the molar mass of H3PO4 and H2S.

univerkov | December 21, 2020 | education

Let’s find the molar mass of orthophosphoric acid:
M (H3PO4) = 3Ar (H) + Ar (P) + 4Ar (O) = 3 * 1 + 31 + 4 * 16 = 98 g / mol
Let’s find the molar mass of hydrogen sulfide:
M (H2S) = 2Ar (H) + Ar (S) = 2 * 1 + 32 = 34 g / mol

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