The pressure of gases inside a rigid container is #"99000 kPa"#. The composition of the gases is #68%# nitrogen gas, #23%# oxygen gas, and #9%# neon gas. What is the partial pressure of each gas?

1 Answer
Meave60
Apr 4, 2017

See the explanation below.

Explanation:

Multiply the percentage in decimal form of each gas by #"99000 kPa"#.

Nitrogen
#0.68xx99000color(white)(.)"kPa"##=##"67320 kPa"#

Oxygen
#0.23xx99000color(white)(.)"kPa"##=##"22770 kPa"#

Neon
#0.09xx99000color(white)(.)"kPa"##=##"8910 kPa"#

The sum of the partial pressures equals the total pressure 99000 kPa.

#"67320 kPa" + "22770 kPa" + "8910 kPa"="99000 kPa"#

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