How much amount of `CaCO_3` in gram having percentage purity 50 per cent produces 0.56 litre of` CO_2` at on heating?

Explanation

To solve the problem of how much amount of CaCO₃ with 50% purity produces 0.56 liters of CO₂ upon heating, we can follow these steps:

### Step-by-Step Solution:

1. **Write the Balanced Chemical Equation:**
The decomposition of calcium carbonate (CaCO₃) can be represented by the following balanced equation:
\[
\text{CaCO}_3 \rightarrow \text{CaO} + \text{CO}_2
...