Practical booklet 7 Cell potentials and the Nernst equation 

Practical 7 Cell potentials and the Nernst equation: 

HazCard : 27C-93-108B

• Copper(II) sulfate 1.0 M 

• Zinc sulfate 1.0 M used 2.0 M

• Iron(II) sulfate 1.0 M

• Iron(III) Chloride 1.0 M

• magnesium sulfate 1.0 M

• Saturated aqueous potassium nitrate (V) (Oxidising substance)

• 0.02 mol dm-3 iodine dissolved in approx 0.05 mol dm–3 potassium iodide

• magnesium ribbon

• potassium iodide

• beaker 250 cc

• 25cc Burette (From Titration)

• Strip of cut filter paper (to make salted bridges soak in saturated potassium nitrate)

• Croc clips

• copper metal electrode

• 6 X 50cc electrode trays beakers

• Zinc metal electrode

• Voltmeter + leads

• forceps

• Silver electrode

• Silver nitrate 0.05M (A level)

• 25cc measuring cylinder

• Platinum electrode

• 1L beaker for waste chemicals

• marker pens for glass

• Distilled water