How many moles of chloride ions are present in 0.20 mol of aluminium chloride, AlCl₃?
Correct answer B. 0.60 mol
Explanation
Each formula unit of AlCl₃ contains three chloride ions, so 0.20 mol of AlCl₃ contains 3 × 0.20 = 0.60 mol of Cl⁻ ions.
Answer checked How we write and check questions
Discussion