8. Measuring the EMF of an electrochemical cell

Measuring the EMF of an electrochemical cell Requirements pieces of copper and zinc foil (about 2 cm x 5 cm) propanone 2.0 mol dm-3 NaCl solution 1.0 mol dm-3 CuSO4 solution 1.0 mol dm-3 ZnSO4 solution emery paper or fine grade sandpaper two 100 cm3 beakers plastic or glass U-tube cottonwool voltmeter (digital or high impedance) two electrical leads with