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Автор - NikkkiN

количество вещества, содержащееся в 2.97 г C2H4CL2

Ответ

Автор - tchehunkat
V (ню) = m/M
m = 2,97
M = 12*2 + 1*4 + 35,45*2 = 100,9
V = 2,97/100,9 = 0,0294 моль

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