Answer the following question given this paragraph: 

E XA MP L E 1 7 Hydrogen gas is generated by the reaction of nitric acid and elemental iron. The gas is collected in an inverted 2.00 L container immersed in a pool of water at 22°C. At the end of the collection, the partial pressure inside the container is 733 torr. How many moles of H2 gas were generated?.


Q: Hydrogen gas is generated by the reaction of nitric acid and what else?

 Choices:

- gaseous iron

- martian iron

- carbon

- elemental iron

A:
elemental iron
