A sample of ore containing Technetium weighed (4.470x10^3) g. This sample was heated in a solution of nitric acid which dissolved the technetium ion producing (7.20x10^1) g of technetium (III) nitrate (Tc(NO3)3). The acidity of the solution as adjusted and Hydrogen sulfide gas was bubbled into the solution producing (5.3900x10^1) g of technetium (III) sulfide (Tc2S3). What is the percentage of Technetium in the original sample? Molar Mass Tc = 98.00 g/mol Molar Mass To(NO3)3 = 284.03 g/ mol Molar Mass Tc2S3 = 292.20 g /mol Please answer the queshon to the appropriate number of significant figures and in scientific notation. Note: Your answer is assumed to be reduced to the highest power possible.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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A sample of ore containing Technetium weighed (4.470x10^3) g. This sample was
heated in a solution of nitric acid which dissolved the technetium ion producing
(7.20x10^1) g of technetium (1II) nitrate (Tc(NO3)3). The acidity of the solution as
adjusted and Hydrogen sulfide gas was bubbled into the solution producing
(5.3900x10^1) g of technetium (III) sulfide (Tc2S3). What is the percentage of
Technetium in the original sample?
Molar Mass Tc = 98.00 g/mol
Molar Mass To(NO3)3 = 284.03 g/ mol
Molar
Mass Tc2S3 = 292.20 g /mol
%3D
Please answer the queshon to the appropriate number of significant figures and in
scientific notation.
Note: Your answer is assumed to be reduced to the highest power possible.
Transcribed Image Text:A sample of ore containing Technetium weighed (4.470x10^3) g. This sample was heated in a solution of nitric acid which dissolved the technetium ion producing (7.20x10^1) g of technetium (1II) nitrate (Tc(NO3)3). The acidity of the solution as adjusted and Hydrogen sulfide gas was bubbled into the solution producing (5.3900x10^1) g of technetium (III) sulfide (Tc2S3). What is the percentage of Technetium in the original sample? Molar Mass Tc = 98.00 g/mol Molar Mass To(NO3)3 = 284.03 g/ mol Molar Mass Tc2S3 = 292.20 g /mol %3D Please answer the queshon to the appropriate number of significant figures and in scientific notation. Note: Your answer is assumed to be reduced to the highest power possible.
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