Question

how many grams of oxygen are required to burn completely 570 grams of octane
50 points ok​

Answer 1

Answer:

Calculate the molecular mass of octane

Then calculate the molecular mass of oxygen

Then go for it

Answer 2

Answer:

2 mole Octane reacts with 25 mol Oxygen. So,5 mole Octane reacted with ( 252×5mol 25 2 × 5 m o l ) = 62.5 mol Oxygen. Answer : So, 2000 g of oxygen are required to react with 570 g of octane.