Answer: Unlike CaCO3, Na2CO3 does not readily yield CO2
Chapter 22, Problem 23.28(choose chapter or problem)
Unlike CaCO3, Na2CO3 does not readily yield CO2 when heated. On the other hand, NaHCO3 undergoes thermal decomposition to produce CO2 and Na2CO3. (a) Write a balanced equation for the reaction. (b) How would you test for the CO2 evolved? [Hint: Treat the gas with limewater, an aqueous solution of Ca(OH)2.]
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