a solution is made by dissolving 40 grams of sodium chloride in 250 grams of water calculate the concentration of solution in mass percentage
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dears
MASS OF SOLUTE = 40
MASS OF SOLVENT = 250
MASS OF SOLUTION = 250+40
==> 290
MASS PERCENTAGE OF SOLUTE
==> MASS OF SOLUTE / MASS OF SOLUTION * 100
==> 40/290 * 100
==> 13.79 %
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