..:: 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 contains 80% of HCl and 20% H₂O by weight, what is the mole fraction of HCl?
1. 0.15
2. 0.29
3. 0.45
4. 0.66
Answer : 4 - 0.66

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