Science Help Online Worksheet 7-4a Dalton's Law
 
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This page is designed to help students practice written problems, and is meant to be printed out.  Hit the print command and show all work in the spaces provided.   Final answers must show units, and must be rounded to the correct number of significant digits.

1.  A mixture of neon and argon gases exerts a total pressure of 2.39 atm.   The partial pressure of the neon alone is 1.84 atm, what is the partial pressure of the argon?

 

 

 

2.  A 450 cm3 sample of hydrogen is collect over water at 12 oC.   The pressure of the hydrogen and water vapor mixtrue is 78.5 kPa.  What is the partial pressure of the dry hydrogen gas?  (see reference table 12-4a)

 

 

 

3.  888 cm3 of oxygen are collected over water with a temperature of 27 oC.  The total pressure of the gases is 55.8 kPa.  What is the partial pressure of the dry gas?

 

 

 

Answers:   1)  0.55 atm                                 2)   77.1 kPa                             3)   52.2 kPa

Please forward all questions, comments and criticisms to Gregory L. Curran.
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Last Modified March 18, 2004