Предмет: Химия, автор: ahoptynska

Обчисліть массу етану c2h6 об'ємом 5,376 л( н.у)

Ответы

Автор ответа: Artyomstern

Ответ: m(C2H6) = 7,2 г

Vm = 22,4 л

V = 5,376 л

n = V : Vm

n(C2H6) = 5,376 : 22,4 = 0,24 моль

M(C2H6) = 30 г/моль

m = M × n

m(C2H6) = 0,24 × 30 = 7,2 г

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