Chapter 4 Practice Problems

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Presentation transcript:

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

3. Calculate the molarity of a solution prepared by dissolving 11 3. Calculate the molarity of a solution prepared by dissolving 11.85 g solid KMnO4 in enough water to make 750. mL of solution. 4. Calculate the mass of NaCl needed to prepare 175 mL of 0.500 M NaCl solution. 5. How many mL of solution are necessary if we are to have 2.48 M NaOH solution that contains 31.52 g of the dissolved solid?