CnH2n + 3/2nO2 = nCO2 + nH2O
n (CO2) = 35.2/44 = 0.8 моль
n H2O = 14.4/18 = 0.8 моль
12n + 2n = 1.93*29
14n = 56
n = 4
C4H8
2KOH + SO3 = K2SO4 + H2O