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Is the following a redox reaction and if so, why??Na2CO3(s)+H3PO4(aq)=Na2HPO4(aq)+CO2(g)+H2O(l)?

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Na2CO3(s)+H3PO4(aq)=Na2HPO4(aq)+CO2(g)+H2O(l)It's not redox. Check the oxidation numbers of the C and the P. The C remains at +4 and the P remains at +5. The others (Na, H, O) do not change either.... Show More

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