MHT CET Chemistry question

The mole fraction of oxygen in a mixture of 7 g of nitrogen and 8 g of oxygen is:

Answer: (B)

Solution

n(N₂) = 7/28 = 0.25 mol and n(O₂) = 8/32 = 0.25 mol, so x(O₂) = 0.25/0.5 = 0.5; 8/5 exceeds

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-041229