Problem: The thallium (present as Tl 2SO4) in a 9.486-g pesticide sample was precipitated as thallium(I) iodide. Calculate the mass percent of Tl 2SO4 in the sample if 0.1824 g of TlI was recovered.

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The thallium (present as Tl 2SO4) in a 9.486-g pesticide sample was precipitated as thallium(I) iodide. Calculate the mass percent of Tl 2SO4 in the sample if 0.1824 g of TlI was recovered.

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl 2nd Edition practice problems.