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4 NaOH(aq) + Ca(OH)2(aq) + C(s) + 4 ClO2(g) ----> 4 NaClO2(aq) + CaCO3(s) + 3 H2O(l)
a) Identify the element oxidized in this reaction.
CNa OHClCa
b) What is the oxidizing agent?
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