Introducing chemical reactions

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Question 11
Easy

Magnesium carbonate, MgCO3\text{MgCO}_3MgCO3​, thermally decomposes to make magnesium oxide, MgO\text{MgO}MgO, and carbon dioxide.

MgCO3→MgO+CO2 \text{MgCO}_3 \rightarrow \text{MgO} + \text{CO}_2 MgCO3​→MgO+CO2​

8.4 g of magnesium carbonate makes 4.0 g of magnesium oxide.

How much carbon dioxide is made?

4.0 g4.0\text{ g}4.0 g

4.4 g4.4\text{ g}4.4 g

8.4 g8.4\text{ g}8.4 g

12.4 g12.4\text{ g}12.4 g

Introducing chemical reactions Questions

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