Homework• Q1/ How many grams of potassium permanganate should be used incompounding 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 8fluidounces 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 thespirit 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

Potassium Permanganate = 0.02 g in 100 mL of solution X g in 250 mL of solution

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

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

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

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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