[DAT Question of the Day, Click Display Images To See] + Join us on Facebook<https://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=631f905706&e=61d7ba7392> + Connect on Twitter<https://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=9e08209906&e=61d7ba7392> Administering Nitrous Oxide One of the tanks that a pediatric dentist uses to administer nitrous oxide is empty. The ML-6 type cylinder has an internal volume of 165 liters. How many moles of nitrous oxide remain in the empty tank (Ideal gas constant = 0.082 L atm/K mol; assume the apparatus is at sea level; the ambient temperature is 22° C)? A. 6.8 moles. B. 0.15 moles. C. 21.8 moles. D. 22.4 moles. E. Zero moles; the tank is empty. To see the solution and images, visit the following link: http://datquestionoftheday.com/chemistry/administering-nitrous-oxide/<https://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=b766b752c7&e=61d7ba7392>