The number of moles of CO2 which contains 8.0g of oxygen?
The number of moles of CO2 which contains 8.0g of oxygen?
Explanation
Step 1: Calculate moles of oxygen8.0 g O / 16 g/mol = 0.5 mol O
Step 2: Calculate moles of CO₂
Since CO₂ has 2 O atoms, moles of CO₂ = 0.5 mol O / 2 = 0.25 mol CO₂