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60 grams of NaOH is dissolved in 120 ...

60 grams of NaOH is dissolved in 120 grams of water at `25 ^@C` to form a saturated solution. Find mass percentage of solute and solvent .

Text Solution

Verified by Experts

(i) Mass percentage =`("Mass of the solute ")/("Mass of the solute +Mass of the solvent ") xx100`
`=(60)/(60+120)xx100 =(60)/(180) xx100`
Mass percentage of solute = 33.33 %
(ii ) Mass by mass % of solvent
=100 -[Mass by mass % of solute ]
=100 -33.33=66.67
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