December 1, 2015

Homework Help: Inorganic chemistry

Posted by Steve on Tuesday, April 14, 2009 at 11:15am.

One kind of battery used in watches contains mercury(II) oxide. As current flows, the mercury oxide is reduced to mercury.

HgO(s) + H2O)(l) + 2e^- ==> Hg(l) + 2OH^-(aq)

If 2.5x10^-5 ameres flows continuously 1095 days, what mass of Hg(l) is produced?

(2.5x10^-5)(1095 days)(24hours/day)(3600seconds/hour) = (xg Hg)(1 mol Hg/200.59g Hg)(2mol e^-/1 mol Hg)(96,000)

2365.2 = (x)(957.18) = .4046g Hg

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