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5.0 g of sodium hydroxide ("molar mass ...

5.0 g of sodium hydroxide `("molar mass 40 g mol"^(-1)) is dissolved in little quanitity of water and the solution is diluted upto 100 mL. What is the molarity of the resulting solution ?

A

0.1 mol `dm^(-3)`

B

1.0 mol `dm^(-3)`

C

0.125 mol `dm^(-3)`

D

1.25 mol `dm^(-3)`

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