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Q.

120 gm of glucose is dissolved to make 1 litre solution having density 1.2 g mL1 . Which of fo1lowing is correct about the solution?

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a

Solution is 10% w/w

b

Solution is 10% w/v

c

Molality of solution is 1.85 molal

d

Molarity of solution is 2 M

answer is B.

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Detailed Solution

Molarity= mass of glucose/volume

So, % w/w=1201.2×1000×100

=10 %

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