Air is a mixture of several gases. The 10 most abundant of these gases are listed here along with their mole fractions and molar masses. Component Mole fraction Molar mass (g/mol) Nitrogen 0.78084 28.013 Oxygen 0.20948 31.998 Argon 0.00934 39.948 Carbon dioxide 0.000375 44.0099 Neon 0.00001818 20.183 Helium 0.00000524 4.003 Methane 0.000002 16.043 83.80 Krypton 0.00000114 Hydrogen 0.0000005 2.0159 Nitrous oxide 0.0000005 44.0128 What mass of carbon dioxide is present in 1.00 m³ of dry air at a temperature of 19 °C and a pressure of 687 torr ? Express your answer with the appropriate units. ▸ View Available Hint(s) LO Value Submit ▾ Part B μÀ LON Calculate the mass percentage of oxygen in dry air. Express your answer with the appropriate units. ► View Available Hint(s) HÅ Units Value ERING ? Units ?

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter9: The Gaseous State
Section: Chapter Questions
Problem 37P
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Air is a mixture of several gases. The 10 most
abundant of these gases are listed here along with
their mole fractions and molar masses.
Molar mass
Component Mole fraction
(g/mol)
28.013
31.998
39.948
44.0099
20.183
4.003
16.043
83.80
2.0159
Nitrogen
0.78084
Oxygen
0.20948
Argon
0.00934
Carbon dioxide 0.000375
Neon
0.00001818
Helium
0.00000524
Methane
0.000002
0.00000114
Krypton
Hydrogen
0.0000005
Nitrous oxide
0.0000005
44.0128
Part A
What mass of carbon dioxide is present in 1.00 m³ of dry air at a temperature of 19 °C and a pressure of 687 torr?
Express your answer with the appropriate units.
▸ View Available Hint(s)
0
Value
Submit
Part B
μᾶ
O
Submit
μÀ
Value
3
Calculate the mass percentage of oxygen in dry air.
Express your answer with the appropriate units.
▸ View Available Hint(s)
B
Units
?
Units
?
Transcribed Image Text:Air is a mixture of several gases. The 10 most abundant of these gases are listed here along with their mole fractions and molar masses. Molar mass Component Mole fraction (g/mol) 28.013 31.998 39.948 44.0099 20.183 4.003 16.043 83.80 2.0159 Nitrogen 0.78084 Oxygen 0.20948 Argon 0.00934 Carbon dioxide 0.000375 Neon 0.00001818 Helium 0.00000524 Methane 0.000002 0.00000114 Krypton Hydrogen 0.0000005 Nitrous oxide 0.0000005 44.0128 Part A What mass of carbon dioxide is present in 1.00 m³ of dry air at a temperature of 19 °C and a pressure of 687 torr? Express your answer with the appropriate units. ▸ View Available Hint(s) 0 Value Submit Part B μᾶ O Submit μÀ Value 3 Calculate the mass percentage of oxygen in dry air. Express your answer with the appropriate units. ▸ View Available Hint(s) B Units ? Units ?
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