A syringe is filled with 139-mL of air and then connected to a


Question Description:

4.99

A syringe is filled with 139-mL of air and then connected to a conical flask containing wet iron powder in excess. When the reaction ceases, the volume of the gas in the syringe is 112-mL. What is the volume percent content of oxygen of the air sample used in this experiment? Provide all work and equations used.

Answer

4.99