2a a 3a
2CH4 ----> C2H2 + 3H2
2 1 3
b 2b
CH4 -----> C + 2H2
1 2
a/(3a+2b) = 3/17
=> 17a = 9a+6b => 8a = 6b
=> a = 0,75b
=> 1,5b + b = 2,5b moli CH4 intrati in reactor
produsul util este C2H2
=> Cu = nr.moli.transformati.in p.u.x100/nr.moli.introdusi
= 1,5bx100/2,5b = 60%