Thank you for the help. For each of the following, what is the ideal value of th

Question

Thank you for the help.

For each of the following, what is the ideal value of the van't Hoff factor, i, LiNO_3 C_12H_19CI_3O_8(sucralose, "Splenda") (NH_4)_2SO_4 Li_3Po_4 What is the molar mass of a non-ionizing, non-volatile solid that when 14.2 g is dissolved in water to make 100.0 mL of solution creats a solution with an osmotic pressure of 5.17 atm at 25.0 degree C What is the freezing point of an aqueous solution made by dissolving 0.158 mole of MgCl_2 in 100.0 g of water Kf = 1.86 degree CIm What is the total vapor pressure in atm of a solution created by combining 3.44 moles of toluene and 5.99 moles of benzene at 350K At 350K P_vap, toluene = 0.33 atm and p_vap, toluene = 0.95 atm

Explanation / Answer

i or van hoft = number of ions

LiNO3 = Li+2 and NO3- = i = 2 ions

the molecule of splenda will NOT ionize, therefore i = 1

(NH4)2*SO4 = 2NH4- and SO4-2 = total ions 2+1 = 3

Li3PO4 = 3Li and PO43- = total ions 3+1 = 4

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