Warfarin, C 19 H 16 O 4 , is the active ingredient used in some anticoagulant medications.
Question:
Warfarin, C19H16O4, is the active ingredient used in some anticoagulant medications. The amount of warfarin in a particular sample was determined 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 C19H16O4 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) + 3 AgNO3(aq) + H2O(l) → 3 AgI(s) + 3 HNO3(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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We know that 1396 g of the sample gave 01386 g of AgI To get the percentage of warfarin in the sampl...View the full answer
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Related Book For 
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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