What amount of a substance is contained in 60 g of carbonic acid H2CO3?
| October 12, 2021 | education
The amount of substance n = m / M, where m is the mass of the substance, M is the molar mass of the substance.
M (H2CO3) = 2 Ar (H) + Ar (C) + 3 Ar (O) = 2 × 1 + 12 + 3 × 16 = 62 g / mol.
n (H2CO3) = 60/62 = 0.97 mol.
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