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An anhydrous metal carbonate is known to be one of the following: Na2CO3, K2CO3, Rb2CO3, MgCO3 or CaCO3. Carbonates react with acid to produce carbon dioxide gas:
|
CO32-(s) + 2H+(aq) ⇒ H2O(l) + CO2(g) |
Plan an experiment to measure the volume of carbon dioxide gas produced and hence determine the correct formula of the carbonate.