Consideram ca se transforma x moli de metan
1mol...1mol...1mol.3mol
CH4 + H2O -> CO + 3H2
x.........x...........x.......3x
1mol...1mol
CH4 -> CH4
3-x.......3-x
1mol....1mol
H2O -> H2O
4-x.......4-x
mamestecfinal=7+2x
7+2x moli............100%
x........................18,18%
7+2x=100x/18,18=5,5x
3,5x=7 => x=2
Ct/100=ntrans/nintrodus => Ct=2*100/3=66,66%