a current of 3 amperes was passed for 1 minute and 30 seconds through an electrolyte containing aluminum ions. Calculate the number of moles of aluminium deposited at the cathode

for 3FARADAYS OF CHARGE WE GET 1MOLE OF Al DEPOSITED AS ALUMINIUM’S EQ WT IS 27/3=9.                                               96500C   –   1 MOLE                                                                                                        

                 (3)(90)C  –   ?