What is the mass percentage of a solution prepared by dissolving 20 g of sugar in 180 g of water?
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9%
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10%
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11.1%
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20%
📝 Detailed explanation
Mass % = (mass of solute / total mass of solution) * 100.
Mass % = (20 / (20 + 180)) * 100 = (20 / 200) * 100 = 10%.
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