Stoichiometry (composition of CO₂): How many moles of CO₂ contain 16 g of oxygen? Use the fact that each mole of CO₂ contains 32 g of oxygen (two O atoms). Choose the correct value.
IIT JEE
Chemistry
Difficulty: Easy
Choose an option
-
A0.5 mole
-
B0.2 mole
-
C0.4 mole
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D0.25 mole
Answer
Correct Answer: 0.5 mole
Explanation
Given data
- CO₂ has 2 oxygen atoms ⇒ 32 g O per 1 mol CO₂.
- Required oxygen mass = 16 g.
Step-by-StepMoles of CO₂ = (16 g O) ÷ (32 g O per mol CO₂) = 0.5 mol CO₂
Final Answer0.5 mole