..:: 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 NaOH and 20% H₂O by weight, what is the mole fraction of NaOH?
1. 0.24
2. 0.42
3. 0.64
4. 0.78
Answer : 3 - 0.64

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