What are the ion concentrations in a 0.12 M solution of AlCl₃? A)0.36 M Al³⁺ ions and 0.12 M Cl^-ions B)0.12 M Al³⁺ ions and 0.040 M Cl^-ions C)0.12 M Al³⁺ ions and 0.36 M Cl^-ions D)0.040 M Al³⁺ ions and 0.040 M Cl^-ions E)none of the above

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Quizplus · Accepted Answer

AlCl3 dissociates into one Al^3+ ion and three Cl^- ions for every formula unit that dissolves. Therefore, a 0.12 M solution of AlCl3 will have 0.12 M Al^3+ ions and 0.36 M Cl^- ions (0.12 M * 3).

What Are the Ion Concentrations in a 0