How many grams of sugar is needed to prepare 500g of an 8.0% by mass sugar solution?
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Answer:
460g
Explanation:
Mass percent = mass of solute / mass of solution .
Mass of solution = mass of solute + mass of solvent
Mass of solution = 500g
Mass percent = 8.0 %
Let the mass of solute be x.
⇒ 8.0 % = x / 500
⇒ x = 8.0 % * 500
⇒ x = 40g
∴ Mass of sugar is 40g
Mass of solvent = Mass of solution - Mass of solute
⇒ 500g - 40g
⇒ 460g
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