Airgas - Z02HE8011900109 - 20% Oxygen, Balance Helium USP (United States Pharmacopeia) Drug Mix Grade, Size 190 High Pressure Steel, CGA 280
![A diver breathing heliox with an oxygen composition of 5.0% wants to adjust the total pressure so that P_(O_2)= "0.21 atm". What must the total pressure be? | Socratic A diver breathing heliox with an oxygen composition of 5.0% wants to adjust the total pressure so that P_(O_2)= "0.21 atm". What must the total pressure be? | Socratic](https://useruploads.socratic.org/GwHssbMIRaCNHcj6yaHQ_Blh7W8x3T3.jpg)
A diver breathing heliox with an oxygen composition of 5.0% wants to adjust the total pressure so that P_(O_2)= "0.21 atm". What must the total pressure be? | Socratic
Airgas - Z02HE8012003042 - 20% Oxygen, Balance Helium USP (United States Pharmacopeia) Drug Mix Grade, Size 200 High Pressure Steel Medical (1600 PSI), CGA 280
![Helium - oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture, because - YouTube Helium - oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture, because - YouTube](https://i.ytimg.com/vi/7uDU2XYOuNk/maxresdefault.jpg)