# chemistry

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which of the following is reduced in the reaction:
Cu(NO3)2 + Zn --- Zn(NO3)2 + Cu

• chemistry -

Reduction is the gain of electrons. Which gains electrons?
I'll help a little with oxidation states. On the left, Cu is +2, N is +5, O is -2, Zn is zero EACH.
On the right, Zn is +2, N is +5, O is -2, and Cu is zero

• chemistry -

zn

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