What is the molality ofa 10%W/W aqueous sodium hydroxide solution?

1.	What is the molality ofa 10%W/W aqueous sodium hydroxide solution?
Answer» `2.778` `2.5` `10` `0.4` Solution :`10% (W)/(w)` aqueous NaOH solution MEANS that 10G of sodium HYDROXIDE in 100g solution. Molality `= ("No. of moles of solute")/("Weight of solvent (in kg)")= (((10)/(40)))/(0.1)= (0.25)/(0.1) = 2.5 M`

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