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In a lead storag battery, Pb (anode) and...

In a lead storag battery, Pb (anode) and `PbO_(2)` (cathode) are used. Concentrated `H_(2)SO_(4)` is used as electrolyte. The battery holds 3.5 litre acid with it . In the discharge process, the density of acid fell from 1.294 to 1.139 g/mL. The sulphuric acid of density `1.294" g mL"^(-1)` is 39 % by mass and that of density 1.139 g/mL is 20% by mass.
Equivalent mass of sulphuric acid in lead storage battery is :

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In a lead storag battery, Pb (anode) and PbO_(2) (cathode) are used. Concentrated H_(2)SO_(4) is used as electrolyte. The battery holds 3.5 litre acid with it . In the discharge process, the density of acid fell from 1.294 to 1.139 g/mL. The sulphuric acid of density 1.294" g mL"^(-1) is 39 % by mass and that of density 1.139 g/mL is 20% by mass. Which of the following takes place in discharge process at anode ?

In a lead storag battery, Pb (anode) and PbO_(2) (cathode) are used. Concentrated H_(2)SO_(4) is used as electrolyte. The battery holds 3.5 litre acid with it . In the discharge process, the density of acid fell from 1.294 to 1.139 g/mL. The sulphuric acid of density 1.294" g mL"^(-1) is 39 % by mass and that of density 1.139 g/mL is 20% by mass. The amount of charge which the battery must have been used is :

During the discharge of lead storage battery, density of H_(2)SO_(4) fell from "1.294 to 1.139 g.cm"^(-3) . Sulphuric acid of density "1.294g.cm"^(-3) is 39% by mass and that of density "1.139 g.cm"^(-3) is 20% by mass. The battery holds 3.5L of acid and the volume remains practically constant during discharge. Calculate the no. of ampere-hours for which battery must have been used.

During the discharge of lead storage battery, the density of H_(2)SO_(4) fall from 1.3g/mL of 1.1g/mL. Sulphuric acid of density 1.3g/mL is 40% by weight and that of density 1.1g/mL is 20% by weight. The battery contains 2.0 litres of acid. The volume remains unchanged during discharge. How many faraday of current is liberated ?

During the discharge of a lead storage battery, density of H_2SO_4 fell from 1.3 to 1.14 g/mL. Sulphuric acid of density 1.3g/ml is 40W% and that of 1.14g/mL is 20W%. The battery holds two litre of the acid and volume remains practically constant during discharging. The number of ampere-sec used from the battery is.

Concentrated sulphuric acid has density of 1.9 g/mL and 99% H_(2)SO_(4) by mass. Calculate the molarity of the acid.