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ld be Τι 3. In a lab experiment, the reaction of 1.55 g of lead(II) nitrate with excess potassium iodide gives 2.00 g of lead (II) iodide. What is the percent yield of this reaction? of ice B re ei he t that is antities of f product. d is it also amount of 4. Urea (CH,N20) is a common fertilizer that can be synthesized by the reaction of ing to the following equation:

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Answer #1

Reaction is exuess) C2-0o 3) l mol Pb@gl gives mal She ichionne hicallr moles of Pbog taken- mass - 1.559 :=0.0046499 Molarmass 33 2almol moles Moles of Pblettot should fvYm = 0.0046799 Moles. =0.00 46799 moles× 461-01 g/mal = 2-1545g 2.16 P ercent yteld = Acta alyce kl yield xIO D heoretical yield 2.00d 2 163 = 92.6

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