Q.

The percent age composition (by mass) and mole fraction of each component in sugar solution containing 1000 g of sugar in 2000 g of water is

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a

0.97

b

0.03

c

0.87

d

0.13

answer is B.

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Detailed Solution

MwC12H22O11=342g% of sugar =W2W1+W2×100=10001000+2000×100=1000/3% of H2O=W1W1+W2×100=20003000×100=200/3χ1H2O=2000/18200018+1000342=111.11111.11+2.92=111.11114.03=0.97χ2( sugar )=1−0.97=0.03
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