Referring to the posted calibration curve ... (Image attached) A 154 g sample of a ruthenium ore was dissolved and diluted to 75.00 mL. 10.00 mL of this sample was removed, treated appropriately, and diluted to 250.00 mL. This solution has an absorbance of 0.840. Calculate the percentage of ruthenium (MW = 101.07 g/mol) in the sample. Select one: 2.10% none of the other answers are correct 1.10% 4.10% 3.10%
Referring to the posted calibration curve ... (Image attached) A 154 g sample of a ruthenium ore was dissolved and diluted to 75.00 mL. 10.00 mL of this sample was removed, treated appropriately, and diluted to 250.00 mL. This solution has an absorbance of 0.840. Calculate the percentage of ruthenium (MW = 101.07 g/mol) in the sample. Select one: 2.10% none of the other answers are correct 1.10% 4.10% 3.10%
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section4.8: Stoichiometry Of Reactions In Aqueous Solution-titrations
Problem 2RC
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Referring to the posted calibration curve ... (Image attached)
A 154 g sample of a ruthenium ore was dissolved and diluted to 75.00 mL. 10.00 mL of this sample was removed, treated appropriately, and diluted to 250.00 mL. This solution has an absorbance of 0.840. Calculate the percentage of ruthenium (MW = 101.07 g/mol) in the sample.
Select one:
2.10%
none of the other answers are correct
1.10%
4.10%
3.10%
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