Solutions Review 1. List factors which affect solubility. 2. Explain

Solutions Review 1. List factors which affect solubility. 2. Explain exactly how you would prepare a 1.0M solution of sodium chloride in the lab. 3. A neutral potassium atom contains 4. In a water solution, potassium forms a

protons and

electrons.

ion which contains ___ protons and ___ electrons.

5. What is the Molarity of a solution containing 148g of calcium hydroxide in 1.0L of water? 6. What weight of calcium hydroxide is needed to prepare 100.0mL of a 2.0M solution? 7. What is the concentration of Pb2+ ions found in 50.0mL of a 2.5M Pb(NO3)2 solution? 8. What is the concentration of the nitrate ion found in the same solution in question 7? 9. How would you separate a mixture of NH4+, Ag+, and Ca2+ ions (hint: solubility rules)? 10. Write a chemical equation, complete ionic equation, and net ionic equation for the reaction between sodium sulfate and lead acetate. 11. 150mL of ethyl alcohol is mixed with 1L of water. Which is the solute? Which is the solvent? 12. Three solutions are prepared by mixing the quantities of sodium chloride given below in a volume of 500mL of solution. Which is the most concentrated? a. 555g NaCl in 500mL solution b. 127g NaCl in 500mL solution c. 105g NaCl in 500mL solution 13. A student stirred 5.0g of table sugar into 250g of hot coffee. What is the mass percent of sugar in the coffee? 14. A solution of HCl in water is 0.15M. How many mol/L of HCl are present? 15. 2.5L of a solution of KI in water has a concentration of 0.15M . How many grams of KI are in the solution? 16. How many moles of KCl are present in 1.5L of a 0.48M solution of KCl in water? 17. What volume of 12M HCl solution is needed to make 2.5L of 1.0M HCl? 18. If 2.5L of a solution contains 0.1M CaCl2, how many grams of Na3PO4 are needed to exactly precipitate all of the calcium as Ca3(PO4)2?