Green plants use light from the sun to drive photo synthesis. Photosynthesis is a chemical reaction in which water (H2O) and carbon Dioxide (CO2) chemically react to form the simple sugar glucose (C6H12O6) and oxygen gas (O2).

Question

What Mass of oxygen gas is produced by the reaction of 3.60g of carbon Dioxide?

Answer 1

6CO2 + 6H2O ==> C6H12O6 + 6O2
mols CO2 = 3.60/molar mass CO2 = approx 0.08 but that's just an estimate and you must redo all of the calculatins to obtain a better number for your work. Now convert mols CO2 to mols O2 using the coefficients as follows:
approx 0.08 mols CO2 x 6 mols O2/6 mols CO2 = approx 0.08
Then mols O2 x molar mass O2 = ? g O2

Post your work if you get stuck.