An iron nail rusts when exposed to oxygen. How many grams of iron are needed to completely consume 20.0 L of oxygen gas according to the following reaction at 25 °C and 1 atm?

iron ( s ) + oxygen ( g ) iron(III) oxide ( s )

An iron nail rusts when exposed to oxygen How many grams of iron are needed to completely consume 200 L of oxygen gas according to the following reaction at 25 class=