a solution is made by dissolving 40g sodium chloride in 250g of water. calculate the concentration of the solution in mass percentage?
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a solution is made by dissolving 40g sodium chloride in 250g of water. calculate the concentration of the solution in mass percentage?
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Mass of solute(sodium chloride)=40g
Mass of solvent(water)=250g
Mass of solution=40+250=290g
Concentration of the solution in terms mass percentage is given as,
Concentration of solution=Mass of solute/Mass of solution×100
40/290×100= 13.7931034483%
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Concentration of solution in mass percentage is 13.79%
Explanation:
Sodium chloride is dissolved in water. So NaCl is the solute and H2O is the solvent to get a brine solution.
Mass of NaCl = 40 gm (given)
Mass of H2O = 250 gm (given)
So the mass of solution = mass of solute + mass of solvent = 40 + 250 = 290 gm.
Concentration of solution = mass of solute / mass of solution * 100 = 40 / 290 * 100 = 13.79%