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At 25^(@)C,4.0g of NaOH are dissolved in...

At `25^(@)C`,4.0g of NaOH are dissolved in water to produce soluton of volume `1` litre .Find (i) molarity of the solution (II) `OH^(-)` ion concentration (II) `pH` value of the solution.
At masses (in u) ,`Na=23,O=16,H=1`)

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