Chemistry-Types of Solutions
NEET Chemistry Types of Solutions MCQ Question
Type: MCQ-numerical-Medium-Class 12
A gaseous solution consists of 5 moles of nitrogen gas and 3 moles of oxygen gas. What is the mole fraction of oxygen in this solution?
A
0.375
B
0.600
C
0.250
D
0.400
Correct Answer
Option A
Detailed Explanation
The mole fraction of oxygen is calculated as the number of moles of oxygen divided by the total number of moles in the solution: 3/(5+3) = 0.375. This aligns with the concept of expressing concentration of solutions in quantitative terms from the given NCERT context.
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