CH-1951

The mole

Chemistry · Secondary 4 · Hard · The mole

A student heats

5.0\,\text{g}

of calcium carbonate,

\text{CaCO}_3

, until it decomposes completely according to the equation

\text{CaCO}_3 \rightarrow \text{CaO} + \text{CO}_2

. What is the maximum mass of calcium oxide that can be formed?

\text{CaCO}_3: 100\,\text{g/mol},\; \text{CaO}: 56\,\text{g/mol}

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