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
Answer: C