..:: Moles, Density, Fraction & Concentration on Chemical Engineering related Questions and Answers

Moles, Density, Fraction & Concentration on Chemical Engineering related Questions and Answers

Question : A mixture of gases SO₂, O₂ and 4 g of N₂ and total mass of mixture is 10 g, what is the sum of mole fraction of SO₂ and O₂?
1. 0.25
2. 0.5
3. 0.75
4. 1
Answer : 3 - 0.75

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