Lactic acid 4 g Salicylic acid 5 g Trichloroacetic acid 2 g Flexible collodion qs ad 100 g Sig: wart remover. Use as directed (a) Flexible collodion contains 20% w/w camphor and 30% w/w castor oil. How many grams of each would be contained in 30 g of the mixture? (b) The specific gravity of castor oil is 0.955. H ow many milliliters of the oil is contained in 30 g of the mixture? (c) If the specific gravity of the mixture is 0.781, what are the percent w/v concentrations of lactic acid, salicylic acid, and trichloroacetic acid in the mixture?
Lactic acid 4 g
Salicylic acid 5 g
Trichloroacetic acid 2 g
Flexible collodion qs ad 100 g
Sig: wart remover. Use as directed
(a) Flexible collodion contains 20% w/w camphor and 30% w/w castor oil. How many grams of each would be contained in 30 g of the mixture?
(b) The specific gravity of castor oil is 0.955. H ow many milliliters of the oil is contained in 30 g of the mixture?
(c) If the specific gravity of the mixture is 0.781, what are the percent w/v concentrations of lactic acid, salicylic acid, and trichloroacetic acid in the mixture?
Answer:
(a) 5.34 g camphor and 8.01 g castor oil
(b) 8.39 mL castor oil
(c) 3.12% w/v lactic acid, 3.91% w/v salicylic acid, and 1.56% w/v trichloroacetic acid
Solution of the given answer is needed.
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