A gas mixture has a weight of 2000 kg under stander pressure and temperature. It contains 4 different gases: O₂, N₂, SO₂ and H₂O vapour. Note: element O is used in both O₂ and SO₂, take this into conideration

The mass friction of elements are: fO = 17%, fN = 72%, fS = 8.3%, fH₂O = 2.7%

a) Calculate the total volume of gas mixture

b) Calculate the volume fraction of each component

Please show the steps, thank you!