Entry Test MCQ :: Basic Concept

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The number of moles of CO2 which contains 16 g of oxygen is

[A].	0.25	[B].	0.5
[C].	0.75	[D].	1

Answer: Option B

asma usman said:

plz give me some detail about this question......

talha said:

koi yo mole ka concept samjhaO?