If 85gm table salt is dissolved in 450gm of water . calculate mass by mass%of table salt and water in this solution
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Mass percentage of NaCl
= mass of NaCl / mass of solution ×100
= {85 ÷ (85 + 450) } ×100
= {85 ÷ 535} × 100
= 0.1588 × 100
= 15.88%
Mass percentage of water
= 100 - mass percentage of NaCl
= 100 - 15.88
= 84.12%
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