(a) o 16) 12 (a) b. = 12 67. At 25°C and 730 mm pressure, 380 mL of dry oxygen was collected. If the temperature is constant, what volume will the oxygen occupy at 760 mm pressure? V? escure V2 AT-0821x 300 Damp fa) 365 ml (b) 449 mL (c) 569 mL (d) 621 mL Which of the following has maximum root mean square velocity at the same 68.