how much water should be added to 15 g of salt to obtain15% salt solution?
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100g of water should be added
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Answer:
Explanation:Concentration of solution = 15%
Mass of solute = 15g
Mass of solvent = 15 + X
Concentration of solution = (Mass of solute / Mass of solution) X 100
15 = (15/15+X) x 100
15 + X = (15/15) x 100
X = 100 - 15
X = 85 g
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