What are the number of moles of CO2 which contains 16 g of oxygen?
A. 0.5 mole
B. 0.2 mole
C. 0.4 mole
D. 0.25 mole
Answer: Option A
Solution(By Examveda Team)
One mole of CO2 has mass of 44 g and 32 g of O2.So 16 g of O2 have 22 g of CO2 or 0.5 moles of it.
This Question Belongs to General Knowledge >> Chemistry
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