Solution Composition (Worksheet)

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Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help.

Q1.

Determine the mass percent of the following solutions:

1. 1.5 g of ethylene glycol antifreeze dissolved in .100 kg of water
2. 52.0 g of sucrose dissolved in 500.0g of water.
3. 4.55 g of sodium bicarbonate dissolved in 250.0g of water

Q2.

Calculate the following quantities

1. Grams of solute in 175.8 mL of 0.207 M calcium acetate
2. Molarity of 500.0 mL of solution containing 21.1 g of potassium iodide
3. Moles of solute in 145.6 L of 0.850 M sodium cyanide.
4. Volume in liters of 2.26 M potassium hydroxide that contains 8.42 g of solute
5. number of $$Cu^{2+}$$ ions in 52 L of 2.3 M copper (II) chloride