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Chemistry
Chemistry
Problem
The number of electrons involved in the change:
Cu
2
S
⟶
Cu
2
+
+
SO
2
\text{Cu}_2\text{S} \longrightarrow \text{Cu}^{2+} + \text{SO}_2
Cu
2
S
⟶
Cu
2
+
+
SO
2
is :
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