có: nCH4= \(\dfrac{2,24}{22,4}\)= 0,1( mol)
PTPU
CH4+ Cl2\(\xrightarrow[]{as}\) CH3Cl+ HCl
0,1......0,1..........0,1............. mol
\(\Rightarrow\) mCH3Cl= 0,1. 50,5= 5,05( g)
\(\Rightarrow\) mA= \(\dfrac{5,05}{100\%-83,53\%}\)= 30,66( g)
\(\Rightarrow\) mCl2= 30,66. 83,53%= 25,61( g)
\(\Rightarrow\) \(\sum nCl2\)= \(\dfrac{25,61}{71}\)+ 0,1= 0,46( mol)
\(\Rightarrow\) VCl2= 0,46. 22,4= 10,304( lít)