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If 20 g. of sodium hydroxide is dissolve...

If 20 g. of sodium hydroxide is dissolved in `1 dm^(3)` of water, the molarity of the solution will be

A

0.5

B

0.25

C

0.1

D

0.2

Text Solution

Verified by Experts

The correct Answer is:
A
`"Molarity"= "Mass"/("Molar mass" xx dm^(3))=20/(40 xx 6)=0.5`
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