Find out the mass of the copper that was removed from penny

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Find out the mass of the copper that was removed from the penny. Presuming excess nitric acid, Compute the grams of copper (II) nitrate that must have formed in the reaction

Original penny weight: 3.0712g
After nitric acid bath: 2.1476g

Apparently presume to use the subsequent formula when determining this

Cu(s) + 4HNO3 (aq) -> Cu (NO3)2(aq) + 2H20(l) + 2NO2 (l)

Reference no: EM13658954

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