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28 March, 04:56

A car battery produces electrical energy with the following chemical reaction.

Pb + PbO2 + 2H2SO4; 2PbSO4 + 2H2O

What is the mole ratio of PbO2 to water?

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  1. 28 March, 07:29
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    The chemical reaction written in this item is already balanced. Hence, there is no need to manipulate the written equation. The mole ratio of PbO2 to water can be calculated by dividing the numerical coefficient of water by the numerical coefficient of PbO2. That is,

    n = 2/1

    Thus, the ratio si 2:1.
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