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Question

A fully charged battery contains 500ML of 5.0 MH2SO4 What is the concentration of H2SO4 in the battery after 6.0A of current drawn from the battery for 13.40h?

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Solution

Amount of change flown
=6.0×13.4×60×60
=289440C
=3 moles of e
H2SO42H++SO24
1.5 moles of H2SO4 is dissociated.
Initial amount of H2SO4=12×5=2.5 mol
Final amount of H2SO4=1 mol
concentration of H2SO4
=1mol500×100 m
=2M

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