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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