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Soal 1 dari 7

(Relative atomic masses: Fe 56, Cu 64) An iron plate is placed in excess

\mathrm{CuSO_4}

solution, where

\mathrm{Fe+CuSO_4=FeSO_4+Cu}

takes place. After some time the plate is taken out, washed, dried and weighed; its mass has increased by

0.8\ \mathrm{g}

(all the copper formed stays on the plate). The mass of copper deposited is ( ).

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