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Directions: Calculate the amount of solute and so 1. Bronze Medal (copper", tin) % by mass - 30%; mass of the medal - 10 grams Mass of solute = Mass of solvent = Concentrated or not? 2. Brass (copper, zinc) % by mass -50%; mass of the brass - 150 grams Mass of solute = _ Mass of solvent = = Concentrated or not?​

Sagot :