Предмет: Химия, автор: zhukova1827mailru

вычислите массу этилена количество вещества 3 моль

Ответы

Автор ответа: krioira

n = 3 (моль)

M(C2H4) = 2*12+4*1 = 28 (г/моль)
m = n*M = 3*28= 84 (г)

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