. Calculate the mass by volume percentage of a solution of 20grams of sodium Hydroxide is dissolved in 100ml of water
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mass of solute/ volume of soln×100
20g =20 ml as naoh is liquid for solid it is 0.57 g
1ml=1cm^3=20cm^3
therefore total volume of solvent =120cm^3
20/120×100=100/6=16.66
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