A mixture contains 80% of NaOH and 20% H₂O by weight, what is the mole fractio

Question

A mixture contains 80% of NaOH and 20% H₂O by weight, what is the mole fraction of NaOH?

Options:

A . 0.24

B . 0.42

C . 0.64

D . 0.78

Answer: Option C
Answer: (c).0.64

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