A sample that contains $0.010\,\text{mol}$ of anhydrous calcium nitrate is heated strongly until decomposition is complete. The entire gas formed is collected, and its volume is measured under room conditions. What is the volume of gas produced?
- A$120\,\text{cm}^3$
- B$600\,\text{cm}^3$
- C$720\,\text{cm}^3$
- D$840\,\text{cm}^3$