Some Basic Concepts Of Chemistry Question 4
Question: A gaseous mixture contains $ CO _2(g) $ and $ N _2O(g) $ in 2 : 5 ratio by mass. The ratio of the number of molecules of $ CO _2(g) $ and $ N _2O(g) $ is
Options:
A) 5:2
B) 2 : 5
C) 1 : 2
D) 5 : 4
Show Answer
Answer:
Correct Answer: B
Solution:
$ CO _2(g) $ $ N _2O(g) $ Weight 2w 5w No. of mole $ \frac{2w}{44} $ $ \frac{5w}{44} $ No. of molecules $ \frac{2w}{44}\times N _{A} $ $ \frac{5w}{44}\times N _{A} $ Ratio $ 2:5 $
