[MCAT Question of the Day, Click Display Images To See] + Join us on Facebook<http://mcatquestionoftheday.us4.list-manage1.com/track/click?u=d3318065969b7c08ead5d4c4d&id=50f8121204&e=61d7ba7392> + Connect on Twitter<http://mcatquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=82f7b4ce0a&e=61d7ba7392> Mass of the Gas The density of an unknown gas under STP conditions is 3.17 g.L-1. What is the molecular mass of the gas? A. 3.17/24.5 = 0.13. B. 3.17/22.4 = 0.14. C. 3.17 x 24.5 = 77.7. D. 3.17 x 22.4 = 71.0. To see the answer to today's question, visit the following link: http://mcatquestionoftheday.com/chemistry/mass-of-the-gas/<http://mcatquestionoftheday.us4.list-manage1.com/track/click?u=d3318065969b7c08ead5d4c4d&id=f65f948df5&e=61d7ba7392>