Предмет: Химия, автор: kaXio

Сколько грамм оксида углерода (4) образуется при сжигании 5 л этана??
объясните подробно

Ответы

Автор ответа: icanhelp
0
2С2H6 + 7O2 = 4CO2 + 6H2O
n(C2H6) = V/Vm = 5/22,4 = 0,223 моль
n(CO2) = 2n(C2H6) = 2*0,223 = 0,446 моль
m(CO2) = n*M = 0,446*30 = 13,38 г
Ответ: 13,38 г
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