ответ : Е. 75%
m (CO) = 28Х
m (CO2) = 44 (1-Х) = 44-44Х
16= 28Х+44-44Х/2
32= 44-16Х
16Х=12
Х=12:16
Х=0,75 моль
n (CO2)=0.25 моль
V(СО)= 16,8л
(CO)=16.8∙100%/22.4=0.75∙100%=75%
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ответ : Е. 75%
m (CO) = 28Х
m (CO2) = 44 (1-Х) = 44-44Х
16= 28Х+44-44Х/2
32= 44-16Х
16Х=12
Х=12:16
Х=0,75 моль
n (CO2)=0.25 моль
V(СО)= 16,8л
(CO)=16.8∙100%/22.4=0.75∙100%=75%