Q.

The numbers of moles of BaCO3 which contain 1.5 mol of oxygen atoms is

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a

6.02 × 1023

b

1

c

3

d

0.5

answer is D.

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Detailed Solution

∵3 mol of oxygen is in 1mol of BaCO3∴1.5mol of oxygen in mol of BaCO3=13×1.5=12=0.5.
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