Question

A 5.2 molal solution of methyl alcohol is supplied what is the mole fraction of methyl alcohol in the solution??

Answer 1

Answer:

2 molal aqueous solution of methyl alcohol means that 1 kg ( or 1000 g) of water contains 5.2 moles of methyl alcohol. The molecular weight of water is 18 g/mol.

Explanation:

The mole fraction of methyl alcohol = 5.2 mol + 55.56 mol 5.2 mol =0.086

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