Calculate the volumes required to make solutions that have a β-dicarbonyl mole fraction of 0.20 in 0.5 mL of chloroform-d.

Thus 1.25 ml of β-dicarbonyl
is to be added to make the mole fraction of β-dicarbonyl 0.20
Calculate the volumes required to make solutions that have a β-dicarbonyl mole fraction of 0.20 in...