Thermodynamics question
Let 0.001 mol of the strong electrolyte K2SO4 be dissolved into 1 L of water at 350 K. Which of the below statements is/are true? (Please explain)
(a) The solution will conduct electricity less well than pure water
(b) The mean ionic activity coefficient is greater than 1
(c) The mean ionic activity coefficient is less than 1
(d) The freezing point depression is equal to what would be observed if 0.003 mol CaCl2 were substituted for K2SO4
(e) The ionic strength of the solution is zero
(f) The inverse Debye length κ^-1 will decrease at higher temperatures