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