Problem- a digital watch battery draws 025 mill amperes of, Ask an Expert

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Problem- A digital watch battery draws 0.25 mill amperes of current, which is provided by a mercury battery whose net reaction is:

HgO(s) + Zn(s) ? ZnO(s) + Hg(l)

If a partially used battery contains 0.80 g of each of these four substances, for how many hours will the watch continue to run?

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Category:- Chemistry
Reference No.:- M91238540

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