In the reaction HC(2)O(4)^(-)(aq)+PO(4)^...

In the reaction `HC_(2)O_(4)^(-)(aq)+PO_(4)^(3-)(aq)hArr HPO_(4)^(2-)(aq)+C_(2)O_(4)^(2-)` which are the two Bronsied bases?

`HC_(2)O_(4)^(-) and PO_(4)^(2-)`

`HPO_(4)^(3-) and C_(2)^(3)O_(4)^(2-)`

`PO_(4)^(3-) and C_(2)O_(4)^(2-)`

`HC_(2)O_(4)^(-) and HPO_(4)^(2-)`

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