What is the percent yield when 0.750 mol of calcium

What is the percent yield when 0.750 mol of calcium reacts with sufficient oxygen to produce 34.4 g of CaO?




Which statement regarding the complete combustion of a carbon compound is correct?
 a.
Carbon dioxide and water are consumed in the reaction and must be shown in the balanced equation.
 b.
Heat is produced in the reaction and must be shown in the balanced equation.
 c.
Balancing the equation requires knowing whether the products are gases or liquids.
 d.
Oxygen is consumed in the reaction and must be shown in the balanced equation.
 e.
The carbon compound is consumed in the reaction but need not be shown in the balanced equation.