Problem PageQuestion When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(II) sulfate is reduced to lead at the cathode and oxidized to solid lead(II) oxide at the anode. Suppose a current of is fed into a car battery for seconds. Calculate the mass of lead deposited on the cathode of the battery. Round your answer to significant digits. Also, be sure your answer contains a unit symbol.

The mass is  

Explanation:

     From the question we are told that

     The current supplied is  

      The time taken is  t = 37.0 sec

Generally the charge been deposited on the cathode is mathematically represented as

Substituting values

Generally 1 mole of the lead deposited contains  

                Then would contain how many moles

   Not let say x is the number of moles deposited then

Using this mathematical relation

   From the the question we are told that lead is been  oxidized to lead 2 oxide which implies that the two electron would be accepted by the lead cation

   Hence the number of moles that would be deposited at the cathode is

Now the molar mass of lead is constant with a value  

           Generally mass is mathematically represented as

For lead

     Substituting values

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