Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
Metal carbonates decompose to the metal oxide and CO2 on heating according to this general equation.
You heat 0.158 g of a white, solid carbonate of a Group 2A metal and find that the evolved CO2 has a pressure of 69.8 mm Hg in a 285-mL flask at 25 °C. What is the molar mass of the metal carbonate?
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