Lead(II) chromate (PbCrO4) is used as the yellow pigment in traffic lanes, but is banned
Chapter 3, Problem 3.158(choose chapter or problem)
Lead(II) chromate (PbCrO4) is used as the yellow pigment in traffic lanes, but is banned from house paint because of the risk of lead poisoning. It is produced from chromite (FeCr2O4), an ore of chromium: 4FeCr2O4(s) _ 8K2CO3(aq) _ 7O2(g) 2Fe2O3(s) _ 8K2CrO4(aq) _ 8CO2(g) Lead(II) ion then replaces the K_ ion. If a yellow paint is 0.511% PbCrO4 by mass, how many grams of chromite are needed per kilogram of paint?
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