The mole fraction of the solute in one molal aqueous solution is #NTA #NEET #NEETquestion #mcq #2021 # chemistry - Study24x7
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20 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The mole fraction of the solute in one molal aqueous solution is #NTA #NEET #NEETquestion

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A

0.027

B

0.036

C

0.018

D

0.009

NEET / Medical
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  • Dev kumar
    • 1 molal aqueous solution means 1 mole of solute in 1 kg (or 1000 g) of water. The molecular weight of water is 18 g/mol. The number of moles of water = 1000g/18g/mol =55.56mol The mole fraction of the solute = 1mol/1mol+55.56mol =0.018 The correct answer is option C.

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