Answer: The Molarity of the Chloride ion in a 5M
solution is 15 M
Step-by-step explanation:
Molarity is defined as the number of moles of solute dissolved per liter of the solution.

where,
n= moles of solute
= volume of solution in ml

Now as 1 mole of
gives 3 moles of

5 moles of
gives =
moles of

Thus Molarity of the Chloride ion in a 5M
solution is 15 M