Q1/ How many, grams of potassium permanganate should be used in compounding the following prescription? • potassium Permanganate 0.02% • Purified Water ad 250.0 ml • Sig. As directed. Ans: 0.05g

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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• Q1/ How many grams of potassium permanganate should be used in
compounding the following prescription?
• potassium Permanganate 0.02%
• Purified Water ad 250.0 ml
• Sig. As directed.
Ans: 0.05g
• Q2/ How many grams of aminobenzoic acid should be used in preparing 8
fluidounces of a 5% (w/v) solution in 70% alcohol? Ans:11.83g or 12g
• Q3/Peppermint spirit contains 10% (v/v) of peppermint oil. What volume of the
spirit will contain 75 ml of peppermint oil? Ans: 750ml
• Q4/ How many grams of phenol should be used to prepare 240 g of a 5% (w/w)
solution in water? Ans: 12g
Transcribed Image Text:Homework • Q1/ How many grams of potassium permanganate should be used in compounding the following prescription? • potassium Permanganate 0.02% • Purified Water ad 250.0 ml • Sig. As directed. Ans: 0.05g • Q2/ How many grams of aminobenzoic acid should be used in preparing 8 fluidounces of a 5% (w/v) solution in 70% alcohol? Ans:11.83g or 12g • Q3/Peppermint spirit contains 10% (v/v) of peppermint oil. What volume of the spirit will contain 75 ml of peppermint oil? Ans: 750ml • Q4/ How many grams of phenol should be used to prepare 240 g of a 5% (w/w) solution in water? Ans: 12g
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