Answered: A mixture of three gasses contains 5…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A mixture of three gasses contains 5 total moles and has a total pressure of 3.2 atm. If there are 1.8 moles of He, 0.95 moles of Ne, what is the partial pressure of the third gas, kr?

Expert Solution

Step 1

Recall the following relations to calculate partial pressure

$p a r t i a l p r e s s u r e = (m o l e f r a c t i o n) \times (t o t a l p r e s s u r e) H e r e, 1.8 m o l e s o f H e, 0.95 m o l e s o f N e a r e p r e s e n t a l o n g w i t h K r m a k i n g t o t a l m o l e = 5 A g a i n, (X_{H e} + X_{N e} + X_{k r}) = 1$

$H e r e, X_{H e} i s m o l e f r a c t i o n o f H e X_{N e} i s m o l e f r a c t i o n o f N e X_{K r} i s m o l e f r a c t i o n o f K r G i v e n t h a t t o t a l p r e s s u r e o f t h e m i x t u r e i s 3.2 a t m$

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