Exp' 12 Inorganic Compounds and Metathesis Reactions p' 161

1
Exp. 12 Inorganic Compounds and Metathesis
Reactionsp. 161

• To observe the physical appearance of common
  laboratory chemicals.
• To systematically observe and express the stages
  of a metathesis reaction.
• To determine the solubilities of some salts by
  studying metathesis reactions.

2
Exp. 12 - Introduction

• Stoichiometry a study of a chemical reaction
  using a balanced equation.
• Metathesis reaction the interchange of ions
  between two compounds involved in a reaction.
• Ex AgNO3 NaCl AgCl NaNO3

3
Exp. 12 - Introduction

• Steps for studying a metathesis reaction
• Write the reactant formulas
• Write the product(s) and balance
• Physical state of reactants in ionic form
• Observe evidence of reaction
• Physical state of product(s) in ionic form
• Write ionic equation (steps 35)
• Write net ionic equation

4
Exp. 12 Procedural Notes

• Part A
• Pick 3.
• Describe as per the report sheet.

5
Exp. 12 Procedural Notes

• Part B
• Place reagents in 3 test tubes according to
  Table 12.1 (1 mL 20 drops)
• Mix chemicals according to the protocol on p. 164
• On additional paper, you will work through steps
  1-7 for each reaction shown on page 167.

6
Exp. 12 Report Sheet

• No questions
• Assign pre-lab questions for tomorrow.