Interpretation:
The mole fraction of each gas have to be calculated.
Concept introduction:
Mole fraction: Mole fraction defined as the number of moles of one component divided by total the number of moles in the mixture.
The mole fraction for the solute(
Answer to Problem 108A
The mole fraction of N2, O2 and Ar in the sampleare 0.804, 0.189 and 0.0072 respectively.
Explanation of Solution
Data given:
The solution contains N2 = 78.0%, O2 = 21.0%and Ar = 1.0%
Let assume, the total mass of the sample = 100 gm
So, the mass of N2 = 78.0 gm, O2 = 21.0 gm and Ar = 1.0 gm
(Note: Molecular weight of N2 = 28 gm/mol)
(Note: Molecular weight of O2 = 32 gm/mol)
(Note: Molecular weight of argon = 39.95 gm/mol)
Chapter 14 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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