Answer for Question 11 on Bonus Quiz 5

by Darcetha
(Jefferson City, Missouri USA)

Question: How much sodium chloride is in 25 mL of one half normal saline?

Answer: A 1/2 normal saline solution contains 4.5 milligrams of sodium chloride per milliliter of solution.

Therefore,

If 4.5 milligrams (NaCl) = then X milligrams (NaCl)
_______________________ _____________________

1 milliliter NaCl = 25 milliliter NaCl solution
solution

(1)(x)= (4.5)(25)

X=112.5 milligrams of Sodium Chloride or 0.1125 grams of Sodium Chloride.