Question 1
For the following question(s), consider the following equation.
2Mg + O
2 → 2MgO
The number of moles of oxygen gas needed to react with 4.0 moles of Mg is ________.
◦ 6.0 moles
◦ 1.0 mole
◦ 3.0 moles
◦ 4.0 moles
◦ 2.0 moles
Question 2
For the following question(s), consider the following equation.
2Mg + O
2 → 2MgO
The number of moles of MgO produced when 0.20 mole of O
2 reacts completely is ________.
◦ 0.80 mole
◦ 0.10 mole
◦ 0.20 mole
◦ 0.60 mole
◦ 0.40 mole