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1) The amount of warfarin, used for anticoagulant medications, in a sample was calculated as follows. A 13.96 g sample was first treated with an alkaline I2 solution to convert C19H16O4 to CHI3. This treatment gives one mole of CHI3 for every mole of C19H1604 that was initially present in the sample. The iodine in CHI3 is then precipitated as AgI(s) by treatment with excess AgNO3(aq): CHI3(aq) + 3AGNO3(aq) + H2O(1)→ 3AgI(s) + 3HNO3(aq) + CO(g) If 0.1386 g solid AgI were obtained, then what is the percentage by mass of warfarin in the sample analyzed?

1) The amount of warfarin, used for anticoagulant medications, in a sample was calculated as follows. A 13.96 g sample was first treated with an alkaline I2 solution to convert C19H16O4 to CHI3. This treatment gives one mole of CHI3 for every mole of C19H1604 that was initially present in the sample. The iodine in CHI3 is then precipitated as AgI(s) by treatment with excess AgNO3(aq): CHI3(aq) + 3AGNO3(aq) + H2O(1)→ 3AgI(s) + 3HNO3(aq) + CO(g) If 0.1386 g solid AgI were obtained, then what is the percentage by mass of warfarin in the sample analyzed?

Chemistry
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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1) The amount of warfarin, used for anticoagulant medications, in a sample was calculated as follows. A 13.96 g sample was first treated with an alkaline I2 solution to convert C19H1604 to CHI3. This treatment gives one mole of CHI3 for every mole of C19H1604 that was initially present in the sample. The iodine in CHI3 is then precipitated as AgI(s) by treatment with excess AgNO3(aq): CHI3(aq) + 3AgNO3(aq) + H20(1) → 3A£I(s) + 3HNO3(aq) + CO(g) If 0.1386 g solid AgI were obtained, then what is the percentage by mass of warfarin in the sample analyzed?
Transcribed Image Text:1) The amount of warfarin, used for anticoagulant medications, in a sample was calculated as follows. A 13.96 g sample was first treated with an alkaline I2 solution to convert C19H1604 to CHI3. This treatment gives one mole of CHI3 for every mole of C19H1604 that was initially present in the sample. The iodine in CHI3 is then precipitated as AgI(s) by treatment with excess AgNO3(aq): CHI3(aq) + 3AgNO3(aq) + H20(1) → 3A£I(s) + 3HNO3(aq) + CO(g) If 0.1386 g solid AgI were obtained, then what is the percentage by mass of warfarin in the sample analyzed?
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