ashleyvalles16
06.02.2021 •
Chemistry
Bobby and Jane dissolve 13.4 g of solid potassium iodide in water, then pour the solution into an excess of concentrated lead (II) nitrate. Jane carefully filters the resulting yellow precipitate from the solution and dries the solid overnight. The following day, Bobby finds the mass of the precipitate (which he knows to be pbl) to be 17.4 g. What is the percent yield of Bobby and Jane's reaction? 2KI + Pb(NO3)2 -- 2KNO3 + Pbl2
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