5.0 g of sodlium hydroxide (molar mass 4...

5.0 g of sodlium hydroxide `(molar mass 40g mol^-1)` is dissolved in little quantity water and the sodium is diluted up to 100 mL. what is the molarity of the resulting solution?

`0.1 moldm^-3`

`1.0 moldm^-3`

`0.125 mol dm^-3`

`1.25 mol dm^-3`

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