CONDUCTIVITY OF IONIC SOLUTIONS      Name: ____________________________

I. Conductivities of Silver Nitrate solutions at different concentrations. (Cell constant = 1 cm)      t = ______ oC

C = 0.00010 moles/L (0.100 µmoles/cm3) __________µS/cm      L = ________ S-cm2/mole
C = 0.00100 moles/L (1.00 µmoles/cm3) __________µS/cm      L = ________ S-cm2/mole
C = 0.0100 moles/L (10.0 µmoles/cm3) __________µS/cm      L = ________ S-cm2/mole


II. Conductivities (µS) of solutes at the same equivalent concentration:

C = __________ moles/Liter (** concentration = C/2)

Sodium Acetate________     Potassium Acetate________     Ammonium Acetate________     Acetic Acid________     Barium Acetate **________     Calcium Acetate **________    
Sodium Chloride________     Potassium Chloride________     Ammonium Chloride________     Hydrochloric Acid________     Barium Chloride **________     Calcium Chloride **________    
Sodium Nitrate________     Potassium Nitrate________     Ammonium Nitrate________     Nitric Acid________     Barium Nitrate **________     Calcium Nitrate **________    
Sodium Hydroxide________     Potassium Hydroxide________     Ammonium hydroxide________     Barium Hydroxide **________     Calcium Hydroxide **________    
Sodium Sulfate **________     Potassium Sulfate **________     Ammonium Sulfate **________     Sulfuric Acid **________     Barium Sulfate **________     Calcium Sulfate **________    


III. Differences between the conductivity of a cation + anion and that of sodium ion + anion at the same equivalent concentration:

Acetates:     Potassium
- Sodium
________       Ammonium
- Sodium
________       Hydrogen
- Sodium
________       Barium
- Sodium
________       Calcium
- Sodium
________    
Chlorides:     Potassium
- Sodium
________       Ammonium
- Sodium
________       Hydrogen
- Sodium
________       Barium
- Sodium
________       Calcium
- Sodium
________    
Nitrates:     Potassium
- Sodium
________       Ammonium
- Sodium
________       Hydrogen
- Sodium
________       Barium
- Sodium
________       Calcium
- Sodium
________    
Hydroxides:     Potassium
- Sodium
________       Ammonium
- Sodium
________       Barium
- Sodium
________       Calcium
- Sodium
________    
Sulfates:     Potassium
- Sodium
________       Ammonium
- Sodium
________       Hydrogen
- Sodium
________       Barium
- Sodium
________       Calcium
- Sodium
________    


IV. Differences between the conductivity of a cation + anion and that of cation + chloride at the same equivalent concentration:

Sodium:     Acetate
- Chloride
________       Nitrate
- Chloride
________       Hydroxide
- Chloride
________       Sulfate
- Chloride
________      
Potassium:     Acetate
- Chloride
________       Nitrate
- Chloride
________       Hydroxide
- Chloride
________       Sulfate
- Chloride
________      
Ammonium:     Acetate
- Chloride
________       Nitrate
- Chloride
________       Hydroxide
- Chloride
________       Sulfate
- Chloride
________      
Hydrogen:     Acetate
- Chloride
________       Nitrate
- Chloride
________       Sulfate
- Chloride
________      
Barium:     Acetate
- Chloride
________       Nitrate
- Chloride
________       Hydroxide
- Chloride
________       Sulfate
- Chloride
________      
Calcium:     Acetate
- Chloride
________       Nitrate
- Chloride
________       Hydroxide
- Chloride
________       Sulfate
- Chloride
________      



Circle any values in Parts III and IV that appear to be out-of-place.

On a separate page, discuss why these values may not agree with others in the series.

Arrange the cations in order of increasing mobility (include Silver ion).
Arrange the anions in order of increasing mobility.