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in Some basic concepts in chemistry by (71.9k points)
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The numbers of moles of BaCO3 which contain 1.5 moles of oxygen atoms is 

(A) 0.5 

(B) 1 

(C) 3 

(D) 6.02 × 1023

1 Answer

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Best answer

The numbers of moles of BaCO3 which contain 1.5 moles of oxygen atoms is  0.5 .

Explanation :-

∵ 3 moles of oxygen in 1 mole of BaCO3

∴ 1.5 moles of oxygen in mole of BaCO3 = 1 / 3 × 1.5 = 1 / 2 = 0.5

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