Below is the procedure described for determination of paracetamol according to BP: "Weigh and powder 20 tablets. Add a quantity of powder equivalent to about 0.35 paracetamol to 50 ml of 0.1 M NaOH, dilute with water to 200 ml and shake for 15 min. Add sufficient water to make up 250 ml. Filter the solution and dilute 5 ml of the filtrate to 100 ml 6. with water. Dilute further 10 ml to 100 ml. Measure the absorbance at 257 nm. The A,% = 715 at 257 nm". Which of the following is correct? O a. An analyst can take 0.37g of the powdered tablets instead of 0.35. O b. An analyst can replace NAOH with HCI O C. An analyst can skip the shaking step O d. B andC e. All of the above
Below is the procedure described for determination of paracetamol according to BP: "Weigh and powder 20 tablets. Add a quantity of powder equivalent to about 0.35 paracetamol to 50 ml of 0.1 M NaOH, dilute with water to 200 ml and shake for 15 min. Add sufficient water to make up 250 ml. Filter the solution and dilute 5 ml of the filtrate to 100 ml 6. with water. Dilute further 10 ml to 100 ml. Measure the absorbance at 257 nm. The A,% = 715 at 257 nm". Which of the following is correct? O a. An analyst can take 0.37g of the powdered tablets instead of 0.35. O b. An analyst can replace NAOH with HCI O C. An analyst can skip the shaking step O d. B andC e. All of the above
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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