Problem- Pure benzophenone freezes at 48.1degee c. A solution of 1.25g of biphenyl c12h10 molar mass=154.2g/mol) plus 25.38g of benzophenone froze at 16.8degree c. Calculate de Kf of benzophenone.
Knowing that Kf= delta Temp/mass
Please show how you obtained the answer