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

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1.	A mixture contains 80% of NaOH and 20% H₂O by weight, what is the mole fraction of NaOH?
A.	0.24
B.	0.42
C.	0.64
D.	0.78
Answer» D. 0.78

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