Can you check this pharmaceutical calculation answer? - pharmaceutical calculations help
100 g of aqueous cream to be added to 30 g of cream with azelaic acid 20%. What is the strength of the resulting percentage cream?
I got an answer of 4.6%. Is that correct?
Sunday, January 31, 2010
Pharmaceutical Calculations Help Can You Check This Pharmaceutical Calculation Answer?
2 comments:
(30) (20) = (130) (X)
X = 4.6%. You're right.
Yes!
20% 30g is 6 g of azelaic acid. 6 grams of a total of 130 grams is 6g/130g = 4.6%
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