1. Chapter 4 Practice Problems
1. Complete the following dissociations equations:
CaCl2 (s) 
Fe(NO3)3 (s) 
KBr (s) 
(NH4)2Cr2O7 (s) 
2. Identify the following as a strong, weak or nonelectrolyte:
a. HClO4 d. NH3
b. C6H12 e. CaCl2
c. LiOH f. HC2H3O2

2. 3. Calculate the molarity of a solution prepared by dissolving 11
3. Calculate the molarity of a solution prepared by dissolving g solid KMnO4 in enough water to make 750. mL of solution.
4. Calculate the mass of NaCl needed to prepare 175 mL of M NaCl solution.
5. How many mL of solution are necessary if we are to have 2.48 M NaOH solution that contains g of the dissolved solid?