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What will be the molality of the solutio...

What will be the molality of the solution made by dissolving 10 g of NaOH in 100g of water ?

A

2.5 m

B

5 m

C

10 m

D

1.25 m

Text Solution

Verified by Experts

The correct Answer is:
A
Molarity `=("Wt. of solute")/("Mol. Wt. of solute")xx(1000)/("wt. of solvent")`
`m=10/40xx1000/100=2.5m`
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