What are the ion concentrations in a 0.12 M solution of AlCl3?

NetherCraft 0

0.36 M Al3+ ions and 0.12 M Cl- ions

0.12 M Al3+ ions and 0.040 M Cl- ions

0.12 M Al3+ ions and 0.36 M Cl- ions

0.040 M Al3+ ions and 0.040 M Cl- ions

none of these

1 Answer

  • It is the third choice.

    Since AlCl3 is made of 1 aluminum ion and 3 chloride ions, the concentration of the chloride ions is 3X the concentration of the aluminum ion.

    Therefore, the third choice is the only choice that fits this condition.

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