Question

Hey guys plz help ,

1) What is difference between 2O and. O2 ?

2) When 3.0g of magnesium is burnt in 2.00g of oxygen, 5.00g of magnesium oxide is produced. What mass of magnesium oxide will be formed when 3.00g magnesium is burnt in 5.00g of oxygen ? Which law of chemical combination will govern your answer? State the law .​

Answer 1

Explanation:

2O are two atoms of Oxygen and O2 is one molecule of Oxygen

Answer 2

Answer:

The key difference between 2O and O2 is that 2O refers to two free oxygen atoms, whereas O2 refers to a molecule having two oxygen atoms. Both terms mean that there are two oxygen atoms

Explanation:

Hope it helps:)