Respuesta :

transitionstate

Answer:

              2.65 mole

Explanation:

Moles and Mass are related as,

                            Mole = Mass / M.Mass

Molar Mass of Carbon = 12.01 g/mol

Putting values,

                            Mole = 31.87 g / 12.01 g/mol

                            Mole = 2.65 mol