Question

then the partial press
Air contains 79% N, and 21% 0, by volume. If the total pressure is 750 mm of Hg, then then
of O, is-
(1) 157.5 mm of Hg (2) 175.5 mm of Hg (3) 315.0 mm of Hg (4) None of the​

Answer 1

Answer:

157.5mm of hg is correct answer