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The molality of 648 g of pure water is...

The molality of 648 g of pure water is

A

36 m

B

55.5 m

C

3.6 m

D

5.55 in

Text Solution

Verified by Experts

The correct Answer is:
B
Molality `= ("Number of moles of solute")/("Weight of solvent (in kg)")xx 1000`
`m = 648/18 xx 1000/648 = 55.5 m`
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