For salt CaCl₂ (assume full dissociation), i =
A2
B3 (Ca²⁺ + 2 Cl⁻)
C4
D1
Answer & Solution
Correct answer: B. 3 (Ca²⁺ + 2 Cl⁻)
CaCl₂ → Ca²⁺ + 2 Cl⁻: 3 particles. Ideal i = 3. Actual slightly less (~2.8 in dilute solution) due to ion pairing.
Related questions
The mass of NaOH (M = 40 g/mol) required to prepare 500 mL of a 0.20 M NaOH solution isWhich of these solutions will boil at the highest temperature at 1 atm?The molality of a 1 M aqueous NaCl solution (density = 1.04 g/mL, NaCl M = 58.5 g/mol) is Osmotic pressure π of a dilute solution obeys π = C R T. Here C representsVan't Hoff factor i > 1 for a solute indicatesA negative deviation from Raoult law is expected whenIf a solute dimerises in solution, its observed molar mass compared with the calculated vaWhich of the following is NOT a colligative property?