Chemistry, asked by sanam2003fathima, 2 months ago

a solution of sodium chloride is prepared by mixing 30 g of it in 90g of water. calculate the concentration of this solution in terms of mass by mass percentage

Answers

Answered by shansekhon

Answer:

mass % = mass of solute/ mass of solution

=30/30+90 (solute +solvent =solution)

=30/120

=1/4 ans

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