· A 25 g sample of impure sodium carbonate (Na2C03) is treated with EXCESS dilute sulphuric acid....
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· A 25 g sample of impure sodium carbonate (Na2C03) is treated with EXCESS dilute sulphuric acid. The balanced chemical equation for the reaction is: Na2C03(aq) + H2S04(aq) Na2S04(aq)