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An aluminum chloride solution is prepared by dissolving 28.30 g of aluminum chloride in 225 g of water. Calculate the %(m/m) and the molality of this solution.

1. A large ice coffee at Dunkin Donuts contains 0.946 L of coffee. If you add 4 teaspoons of sugar (sucrose C12H22O11) to a large ice coffee, what is the %(m/v) and the molarity of the sugar solution you have prepared? (1 teaspoon sugar = 4.0 g)

2. An aluminum chloride solution is prepared by dissolving 28.30 g of aluminum chloride in 225 g of water. Calculate the %(m/m) and the molality of this solution.

3. Calculate the freezing point and the boiling point of the solution in question #4. (kf = -1.86 and kb = 0.51)

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4. How much water must be added to 35 mL of 6.40 M HNO3 to prepare a 1.45 M solution?

5. Magnesium reacts with HNO3 in a single replacement reaction. How many mL of 0.75 M HNO3 are needed to react with a 15.80 g piece of magnesium?

6. A 68.30 mL sample of HCl is neutralized by 92.15 mL of 1.04 M Mg(OH)2. What is the molarity of the HCl solution?

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