The mole fraction of nacl in a solution containing 1 mole of nacl in 1000 g of of water is ?
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No. Of mole NaCl=1.
No. Of mole of H2O=1000/18.
=55.55.
No. Of mole =given weight /molecular weight.
Molecular weight =18.
Mole fraction of NaCl=no. Of mole gram of NaCl/total no. Of mole in Sol.
=1/55.55+1
=1/56.55
=0.01768(approx.)
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