The molecular liquid chloroform (CHCl3) has a density of 1.48 g/mL, while the molecular liquid bromoform (CHBr3) has a density of 2.89 g/mL.
(a) When 44.0 mL of CHCl3 and 39.2 mL of CHBr3 are mixed, a clear liquid solution forms. Is this a chemical or a physical change?