2 mol of unknown Solute dissolved in 90g
of water.
Find out mole fraction
of
solute and water in a solution
Answers
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Answer:
Solute mol fraction = 2/7
Water mol fraction = 5/7
Explanation:
No. of moles = given mass/molecular mass
No. of moles of H2O = 90g/18g/mol = 5mol
Therefore, total moles = 5+2=7
Solute mol fraction = 2/7
Water mol fraction = 5/7
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