2 points Magnesium burns in air to produce magnesium oxide. If a sample of
magnesium requires 15.0 g of oxygen to burn completely and forms 37.8 g
of magnesium oxide, what will be the mass of the sample of magnesium?
Explain why this number is important for the Law of of Conservation of
Mass. *
Your answer
This is a required question
3 points
Using claim, evidence, and reasoning, explain whether the following
chemical reaction is balanced or not. *