If you were to construct a galvanic cell for the purposes of studying this reaction, what is the standard cell potential(E°) that you would measure? The appropriate half reactionsare:
Al(OH)3(s) + 3e- → Al(s) + 3 OH-(aq) E° = -2.30 V
Al3+(aq) + 3e- → Al(s) E° = -1.68 V
Calculate the change in mass for the cathode if this cell isallowed to run for 1 hour with a current of 300 mA at 25°C.