The local anaesthetic lidocaine is required by the British Pharmacopoeia to contain not less than99.0% and not more than 101.0% of C14H22N2O, calculated with reference to the anhydroussubstance.0.2093 g of a lidocaine sample was dissolved in anhydrous acetic acid and titrated with 0.1025 Mperchloric acid. 8.53 mL was required. Another sample of the lidocaine from the same batch wasfound to contain 0.78% water. Does the sample meet the BP requirements?
The local anaesthetic lidocaine is required by the British Pharmacopoeia to contain not less than99.0% and not more than 101.0% of C14H22N2O, calculated with reference to the anhydroussubstance.0.2093 g of a lidocaine sample was dissolved in anhydrous acetic acid and titrated with 0.1025 Mperchloric acid. 8.53 mL was required. Another sample of the lidocaine from the same batch wasfound to contain 0.78% water. Does the sample meet the BP requirements?
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The local anaesthetic lidocaine is required by the British Pharmacopoeia to contain not less than
99.0% and not more than 101.0% of C14H22N2O, calculated with reference to the anhydrous
substance.
0.2093 g of a lidocaine sample was dissolved in anhydrous acetic acid and titrated with 0.1025 M
perchloric acid. 8.53 mL was required. Another sample of the lidocaine from the same batch was
found to contain 0.78% water. Does the sample meet the BP requirements?
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