1. Tardigrade
  2. Question
  3. Chemistry
  4. A 1 L flask contains 32 g O2 gas at 27° C . What mass of O2 must be released to reduce the pressure in the flask to 12.315 atm?

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. A 1 L flask contains 32 g $ {{O}_{2}} $ gas at $ 27{}^\circ C $ . What mass of $ {{O}_{2}} $ must be released to reduce the pressure in the flask to 12.315 atm?

MGIMS WardhaMGIMS Wardha 2013

Solution:

$ pV=nRT=\frac{w}{m}Rt $ $ w=\frac{pVm}{RT}=\frac{12.315\times 1\times 32}{0.0821\times 300}=16g $ $ {{O}_{2}} $ to be released $ =32-16=16g $