Find out the mass of the copper that was removed from the, Chemistry

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

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

Original penny weight: 3.0712g
After nitric acid bath: 2.1476g
Use this reaction:
Cu(s) + 4HNO3(aq) -> Cu(NO3)2(aq) + 2H20(l) + 2NO2(l)

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Chemistry: Find out the mass of the copper that was removed from the

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Chemistry: Find out the mass of the copper that was removed from the

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