Some Basic Concepts Of Chemistry Question 319
Question: The numbers of moles of $ BaCO _3 $ which contain 1.5 moles of oxygen atoms is [EAMCET 1991]
Options:
A) 0.5
B) 1
C) 3
D) $ 6.02\times 10^{23} $
Show Answer
Answer:
Correct Answer: A
Solution:
$ \because $ 3 moles of oxygen is that in 1 mole of $ BaCO _3 $
$ \therefore $ 1.5 moles of oxygen is that in mole of $ BaCO _3 $ $ =\frac{1}{3}\times 1.5 $ $ =\frac{1}{2}=0.5 $ .
