1.

The molarity of a 10% NaOH solution is

Answer»

2.5
0.5
0.25
0.05

Solution :100 ml contains 10 G. Hence ` 1 dm ^(3)` will CONTAIN 100g.
`"Molarity"= ("Mass"//dm^(3))/"MOLAR mass"=100/40=2.5 M`


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