REVIEW QUESTIONS

Chapter 8

1. Identify each of the diagrams below as strong electrolyte, weak electrolyte or nonelectrolyte:

(a)

(b)

(c)

(d)

2. Identify the predominant particles in each of the following solutions and write the equation for the formation of the solution:
   a)
   b)
   c)
3. How many equivalents are present in 5.0 g of ?
4. An intravenous replacement solution contains of ions. How many grams of are in 3.0 L of the solution?
5. Calculate the mass percent or ) for each of the following solutions:
   a) 25 g of KCl in
   b) 75 g of NaOH in 325 mL of solution
6. Calculate the molarity of the following solutions:
   a) 0.50 mol sugar in 270 mL of solution.
   b) 17.0 g of in 0.500 L of solution.
7. Calculate the moles of solute needed to prepare each of the following solutions:
   a) 450 mL of 0.20 M KBr solution.
   b) 2.0 L of 1.5 M NaOH solution.
8. Calculate the mass of solute needed to prepare each of the following solutions:
   a) 2.0 L of 1.8 M NaOH solution.
   b) 250 mL of solution.
   c) 750 mL of solution.
9. What volume ( mL ) of a 4.0 M solution of KCl contains 0.100 moles of solute?
10. What volume ( mL ) of a 1.5 M solution of NaCl contains 25.0 g of solute?
11. How many liters of a glucose solution would contain 75 g of glucose?
12. A patient receives an IV containing glucose solution at the rate of 35 mL in 1 hour. How many grams of glucose does this patient receive after 12 hours?
13. Use the solubility graph below to answer the following questions:
    a) Which substance has the greatest solubility at ?
    b) What is the solubility of KCl at ?
    

    

    
    c) A sample of with a mass of 50.0 g is added to 150 mL of water at . Is this solution saturated or unsaturated. Give explanation or show calculations.
14. Indicate whether each of the following is soluble or insoluble in water:
    a) b) KCl
    c) d) PbS
    e) f)
    g) h)
15. For each reaction below, write the net ionic equation to show the formation of a precipitate. If no precipitate occurs, write "No Reaction" after the arrow.
    a)
    b)
    c)
    d)
16. Complete and balance the following chemical equations:
    a)
    b)
    c)
17. How many mL of a solution is needed to prepare of a 6.0 M solution?
18. Calculate the molarity of a solution prepared by mixing 250 mL of with 150 mL of water.
19. What is the final volume, in mL , when 5.00 mL of 12.0 M NaOH is diluted to 0.600 M ?
20. Determine the osmolarity and tonicity of each of the following solutions:
    a) 0.15 M KCl
    b) 0.12 M sucrose
    c)
    d)