Convert 40 g oxygen to moles. moles = grams/molar mass
Using the coefficients in the balanced equation, convert moles oxygen to moles MgO.
Convert moles MgO to grams. g = mols x molar mass.
For the question(s) that follow, consider the following equation.
2Mg + O2�¨ 2MgO
How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg?
2 answers
60.8
1 answer