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.