đổi $1kg=1000g$
$⇒m_{C}=1000.95\%=950g$
$⇒n_{C}=950/12=79,1667mol$
$PTHH:$
$C+O2\overset{t^o}{\rightarrow}CO2$
$a/ $
Theo pt:
$n_{CO2}=n_{C}=79,1667mol$
$⇒V_{CO2}=79,1667.22,4=1773,33408l$
$b/$
theo pt:
$n_{O2}=n_{C}=79,1667mol$
$⇒V_{kk}=22,4.5.79,1667=8866,6704l$