x moli............. x moli
C2H6 + H2 => C2H6 - nu reactioneaza
1......................... 1
y moli ............ z moli
C3H6 + H2 => C3H8
1...........................1
=> z = y
=> x = y/2 => y = 2x
y = z = 2x
30x + 44z = 59
=> 30x + 44*2*x = 59 => x = 0,5 moli etan => y =2x = 1 mol propena
niu = 1 mol = V / Vm (22,4 L)
=> V = 1 x 22,4 = 22,4 L propena