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Standard XII

Chemistry

System, Surroundings, Intensive, Extensive Properties

A 6 % glucose...

Question

A $6 %$ glucose solution and $2 %$ solution of X show same osmotic pressure. Assuming X to be a non-electrolyte, the molecular weight of X is

30 g/mole

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60 g/mole

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90 g/mole

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180 g/mole

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Solution

The correct option is B 60 g/mole
$\frac{6 \times 1}{180 \times 100} = \frac{2}{M \times 100}$
$M = \frac{2 \times 180}{6} = 60 g / m o l$

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A 6% glucose solution and 2% solution of X show same osmotic pressure. Assuming X to be a non-electrolyte, the molecular weight of X is

The correct option is B 60 g/mole6×1180×100=2M×100 M=2×1806=60g/mol

A $6 %$ glucose solution and $2 %$ solution of X show same osmotic pressure. Assuming X to be a non-electrolyte, the molecular weight of X is

The correct option is B 60 g/mole
$\frac{6 \times 1}{180 \times 100} = \frac{2}{M \times 100}$
$M = \frac{2 \times 180}{6} = 60 g / m o l$