Engineering Board Exam Reviewer · Chemistry · medium

How many moles of ions are produced when 1 mol of CaCl₂ dissolves completely in water?

  1. 1 mol
  2. 3 mol
  3. 2 mol
  4. 4 mol

Answer

B. 3 mol

Solution

CaCl₂ Ca2+ + 2Cl- (van't Hoff factor i = 3).

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