Science, asked by ishan8139, 1 year ago

a solution of sodium chloride Is dissolved in 90g of water at 293k. find its concentration at this temperature. the mass of sodium chloride is 20g

Answers

Answered by harsh95716

mass of sodium chloride=20g
mass of water =90g
concentration by mass by mass percentage=
Maas of solute/Mass of solution×100
mass of solute is 20g
mass of solution 90g+20g= 110g Therefore
20g/110g× 100 = 18.1818181818 %

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