The lead(IV) oxide used in car batteries is prepared by coating the electrode plate with

Chapter 22, Problem 22.81

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The lead(IV) oxide used in car batteries is prepared by coating the electrode plate with PbO and then oxidizing it to lead dioxide (PbO2). Despite its name, PbO2 has a nonstoichiometric mole ratio of lead to oxygen of about 1/1.98. In fact, the holes in the PbO2 crystal structure due to missing O atoms are responsible for the oxides conductivity. (a) What is the mole % of O missing from the PbO2 structure? (b) What is the molar mass of the nonstoichiometric compound?

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