How many moles of CO2 contains 16g of Oxygen?<...
How many moles of CO2 contains 16g of Oxygen?
0.5 mole
0.2 mole
0.4 mole
0.25 mole
Correct answer is A
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.