M(CnH2n+1COOH) = 74 г/моль
12n + 2n + 2 + 12 + 32 = 74
14n = 28
n = 28/14 = 2.
C2H5COOH — пропанова кислота.
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M(CnH2n+1COOH) = 74 г/моль
12n + 2n + 2 + 12 + 32 = 74
14n = 28
n = 28/14 = 2.
C2H5COOH — пропанова кислота.