Q5 Pure sulphur is burnt in a sulphur burner with dry air. Oxygen is used 20% excess above that required for the complete combustion of sulphur to SO3. The efficiency of burner is such that only 30%...

Q5 Pure sulphur is burnt in a sulphur burner with dry air. Oxygen is used 20% excess above that required for the complete combustion of sulphur to SO3. The efficiency of burner is such that only 30% of the sulphur burns to SO3 ,and remainder goes to SO2 .Calculate : (a) the analysis of the resulting mixture in mole % and (b) the weight of gas per kg of sulphur burnt.