Question

calculate mass of calcium oxide used if moles of calcium oxide is 3.00 moles

Answer 1

Molar mass of Calcium = 40 g/mol

Molar mas of Oxygen = 16 g/mol

Molar mass of CaO = 56 g/mol

mass of 3 moles of CaO = 56*3 g/mol

Mass of 3 moles of calcium oxide = 168 g/mol