A lead storage battery consists of a lead anode and a grid of lead packed with lead dioxide as the cathode. The electrolyte taken is 39% `H_(2)SO_(4)` by mass having a density of 1.294 g `mL^(-1)`. The battery holds 3.5 L of the acid. During the discharge of the battery, the density `H_(2)SO_(4)` falls from 1.294 g `mL^(-1)` to 1.139 g `mL^(-1)` which is 20% `H_(2)SO_(4)` by mass Q. The number of ampere-hour for which the battery must have been used isA. 2650.5B. 265.05C. 26.505D. 2.6505

A lead storage battery consists of a lead anode and a grid of lead pac

1.	A lead storage battery consists of a lead anode and a grid of lead packed with lead dioxide as the cathode. The electrolyte taken is 39% `H_(2)SO_(4)` by mass having a density of 1.294 g `mL^(-1)`. The battery holds 3.5 L of the acid. During the discharge of the battery, the density `H_(2)SO_(4)` falls from 1.294 g `mL^(-1)` to 1.139 g `mL^(-1)` which is 20% `H_(2)SO_(4)` by mass Q. The number of ampere-hour for which the battery must have been used isA. 2650.5B. 265.05C. 26.505D. 2.6505
Answer» Correct Answer - B Ampere-hour`=("Coulombs")/(3600s)=(964178)/(3600)=262.05`

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What are elementary reactions ?

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