mols O2 = grams/molar mass = ?
Convert mols O2 to mols MgO using the coefficients in the balanced equation.
Now convert mols MgO to grams; g - mols x molar mass = ?
consider 2Mg+O2---> 2MgO
If 10.0g of o2 react, how much MgO will be formed?
1 answer