. Barium-contaminated soil can be remediated by immobilization of the barium as alforsite, Bas(PO4)3CI. The concentration of alforsite in a treated soil sample was determined by weighing out 1.4123 g of soil, acidifying the sample with a few drops of concentrate nitric acid, and then extracting the barium ions by shaking the soil sample with 250 mL of deionized water. After filtration, the barium was then precipitated from the extract with sulfate. The precipitate was filtered and dried giving a final mass of 156.3 mg. A) Report the weight percent of alforsite in the soil sample. B) Convert the weight percent to parts per billion.
. Barium-contaminated soil can be remediated by immobilization of the barium as alforsite, Bas(PO4)3CI. The concentration of alforsite in a treated soil sample was determined by weighing out 1.4123 g of soil, acidifying the sample with a few drops of concentrate nitric acid, and then extracting the barium ions by shaking the soil sample with 250 mL of deionized water. After filtration, the barium was then precipitated from the extract with sulfate. The precipitate was filtered and dried giving a final mass of 156.3 mg. A) Report the weight percent of alforsite in the soil sample. B) Convert the weight percent to parts per billion.
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
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Problem 154CP: Triiodide ions are generated in solution by the following (unbalanced) reaction in acidic solution:...
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1. Barium-contaminated soil can be remediated by immobilization of the barium as alforsite, Bas(PO4)3CI. The concentration of alforsite in a treated soil sample was determined by weighing out 1.4123 g of soil, acidifying the sample with a few drops of concentrate nitric acid, and then extracting the barium ions by shaking the soil sample with 250 mL of deionized water. After filtration, the barium was then precipitated from the extract with sulfate. The precipitate was filtered and dried giving a final mass of 156.3 mg.
A) Report the weight percent of alforsite in the soil sample.
B) Convert the weight percent to parts per billion.
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