Calculate van't Hoff factor of 0.2 m aquesous solution of an electrolyte if it freezes at -0.7 K [ K _ f =1.86 ~K ~kg ~mol ⁻¹ ]

Step-by-step solution

array ll & T _ f = i m K _ f & 0.7= i 0.2 ~mol ~kg ⁻¹ 1.86 ~K ~kg ~mol ⁻¹ & i = 0.7 0.2 1.86 = 0.7 0.372 =1.882 array