This is a isotonic saline solution.
Dissolve 0,9 g sodium chloride in 100 mL distilled water.
No, think of it as .09 and .50
.09 percent = .0009 = 9/10000.
9%
yes
.09
.09
09 = 9 is 900%
42
.09% of the world.
.09%=9/10000
Given to Fly was created on -19-09-02.