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

Question : A mixture contains 10% CO, 40% CO₂ and 50% H₂O, what is the mass percent of CO₂?
1. 9.5
2. 15.4
3. 39.5
4. 74.1
Answer : 1 - 9.5

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