Question

Air is a mixture of 21% O2, 78% N2, and 1% argon by volume. What is the partial pressure of O2 at sea level where the total pressure is 760 mm Hg? Please enter your answer in numerical form (for example instead of writing "one" type the number "1" [do not include quotation marks]). Also, please do not write the unit. In this problem, do not write out the unit "mm Hg" beside the numerical answer. Here, it is understood that unit of pressure is mm Hg. Write ONLY the numerical answer.

Answer 1

160