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

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

Question : A neutral gas that is made of nitrogen and hydrogen only contains 7 g of nitrogen is in a mixture of with total mass 17 g, what is the mass fraction of the gas?
1. 0.5
2. 0.25
3. 0.45
4. 0.8
Answer : 1 - 0.5

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