Determine the molar masses of the following substances: So2; H2SO4.

Molar masses are calculated as follows:
M (SO2) = Ar (S) + 2Ar (O) = 32 + 32 = 64 g / mol
M (H2SO4) = 2Ar (H) + Ar (S) + 4Ar (O) = 2 + 32 + 64 = 98 g / mol



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