What is the pressure of a 1.0 L flask containing 0.60 g of He at 25°C? (R= 0.0821 L atm/ mol K) Chemistry Chapter 11 What is the pressure of a 1.0 L flask containing 0.60 g of He at 25°C? (R= 0.0821 L atm/ mol K) A) 98 atm B) 3.7 atm C) 7.3 atm D) 15 atm E) none of the above Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+