Question

How many grams of sodium chloride are needed to make 1 L of 0.9% (m/v) sodium chloride solution (“isotonic saline”).

Answer 1

0.9% m/v NaCl means 0.9g NaCl/100 mL.
You want to make a L of soln; therefore,
0.9g x (1000/100) = ?

Answer 2

Edith Cowan