The nurse is preparing to administer 30 mEq of liquid potassium chloride (KCl) to an adult client. The label on the medication bottle reads 40 mEq of KCl per 15 mL. The nurse should prepare how many milliliters of KCl to administer the correct dose of medication?
a) 10 mL
b) 11 mL
c) 12 mL
d) 13 mL