A) 0.5
B) 1
C) 3
D) \[6.02\times {{10}^{23}}\]
Correct Answer: A
Solution :
\[\because \] 3 moles of oxygen is that in 1 mole of \[BaC{{O}_{3}}\] \[\therefore \] 1.5 moles of oxygen is that in mole of \[BaC{{O}_{3}}\] \[=\frac{1}{3}\times 1.5\]\[=\frac{1}{2}=0.5\].
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