Question

46. The density of 20% (w/w) aqueous NaOH
solution is 1.20 g.mL-'. What is the mole
fraction of water ? (molar mass of NaOH =
40g.mol-')

1) 0.95 2) 0.90 3) 0.97 4) 0.94​

Answer 1

Explanation:

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