Which Solution Contains the Largest Number of Moles of Chloride

Multiple Choice

Which solution contains the largest number of moles of chloride ions?

A) 4.00 mL of 1.000M NaCl
B) 25.00 mL of 0.400M KCl
C) 10.0 mL of 0.500M BaCl₂
D) 30.00 mL of 0.100M CaCl₂
E) 7.50 mL of 0.500M FeCl₃