0.12
X
1.0 g
=
0.12 g of sodium benzoate
0.12
X
qs 1,000 ml
=
120 ml with pure water
NOTE: The units for each answer are the same as the units in the original formula for
that ingredient.
d. The thing to be remembered is that in finding a conversion factor, the amount
desired always is on top and the amount of the formula is always on the bottom.
e.
Work the following problems and check the answers.
(1)
Use the official formula below to calculate the amount of each
ingredient that should be used to make 90 ml of Orange Syrup.
Orange Syrup
Sweet orange peel tincture....
50 ml __________ ml
Citric acid....................
5g
_________ g
Talc...........................
15g
__________ g
Sucrose........................
820 g
__________ g
Pure water.....qsad............
1000 ml
__qsad 90
ml
(2)
Use the formula listed below to calculate how much of each ingredient
should be used to make 20,000 ml of Chigger Dope that is used to treat chigger insect
bites.
Chigger Dope
Benzocaine....................................
400 g
__________ g
Methyl salicylate...........................
160 ml
__________ ml
Salicylic acid....................................
40 g
__________ g
Isopropyl Alcohol NF, 99%
5,840 ml
__________ ml
Pure water... qsad .....................
8,000 ml
qsad _____ ml
MD0802
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