To determine the amount of copper ions in moles, we can use the formula:moles = molarity volumeGiven that the molarity of the copper sulfate solution is 0.1 M and the volume is 500 mL, we can convert the volume to liters:volume = 500 mL 1 L / 1000 mL = 0.5 LNow, we can calculate the moles of copper ions:moles = 0.1 M 0.5 L = 0.05 molesSo, there are 0.05 moles of copper ions present in the 500 mL solution of 0.1 M copper sulfate.