The Mass Of Carbon Anode Consumed (giving Only Carbon Dioxide) In The Production Of 270 Kg Of Aluminium Metal From Bauxite By The Hall Process Is (Atomic Mass Of Al = 27)

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Question

The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium metal from bauxite by the Hall process is (Atomic mass of Al = 27)

Solution

Correct option is

90 kg

 

In Hall and Heroult process,

                

            

             

Only for removal of CO2, following equation is possible

     

                        3 × 12 = 36                   4 × 27 = 108   

Testing

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