Part a: What mass of solid CuCL2 is required to prepare 450.0mL of 0.125M CuCl2 solution??

Question

Part B: What are the concentrations of Cu +2 ions and Cl- ions in the above solutions.

I understand part a, and got the right answer. i need help understanding part b.

Answer 1

For every mole of CuCl2, you have one mole of Cu++ ions, and two moles of Cl- ions.

Answer 2

Thank you i appreciate it.