Question:

Adding .2013 g of unknown gas to 125 ml flask the pressure is 736 torr at 20 degrees C is the gas....?

by  |  earlier

0 LIKES UnLike

A)ch4

B)n2

C)O2

D)nE

e) Ar

 Tags:

   Report
Answer The Question I've Same Question Too

1 ANSWERS

Sort By: Date  |  Rating

  1. n = pV / RT = 0.968 atm x 0.125 L / 0.0821 x 293 K = 0.00503

    molar mass = 0.2013 / 0.00503 =40.0 g/mol

    it is Ar

You're reading: Adding .2013 g of unknown gas to 125 ml flask the pressure is 736 torr at 20 degrees C is the gas....?

Question Stats

Latest activity: earlier.
This question has 1 answers.

BECOME A GUIDE

Share your knowledge and help people by answering questions.
Register Now