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450 mg of glucose is dissolved in 100 g of solvent. What is the molality of the solution ?

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450 mg of glucose is dissolved in 100 g of solvent. What is the molality of the solution ?
A. `0.0025m`
B. `0.025m`
C. `0.25m`
D. `2.5m`
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1 Answer

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Correct Answer - B
Molality
`=("weight of solute"xx1000)/("molecular weight of solute "xx" weight of solvent (in g)")`
`=(450xx10^(-3)xx1000)/(180xx100)=0.025m`
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