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A digital watch draws 0.230 mA of current provided by a battery whose net reaction is: HgO(s)...

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Chemistry

A digital watch draws 0.230 mA of current provided by a batterywhose net reaction is:

HgO(s) + Zn(s) ----> ZnO(s) + Hg(l)

If a partially used battery contains 0.350 gm each of the foursubstances for how many more hours will the watch run? Hint: Firstdetermine the limiting reagent.

Answer & Explanation Solved by verified expert
3.8 Ratings (651 Votes)
HgOs Zns ZnOs HglMolar mass of HgO is 2006 16 2166 gmolMolar mass of Zn is 654 gmolAccording to the    See Answer
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