1.

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

Answer»

2.5 m
5 m
10 m
1.25 m

SOLUTION :Molarity `=("WT. of SOLUTE")/("Mol. Wt. of solute")XX(1000)/("wt. of solvent")`
`m=10/40xx1000/100=2.5m`


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