Q159. What is the approximate mass of one liter of oxygen gas (O2) at STP (Standard Temperature and Pressure)?Chemistry — NUST Mock By IBAGRADS 5 — Question 159 of 200A. 1.43 gB. 2.24 gC. 11.2 gD. 22.4 gPractice more Chemistry MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →