Referring to the posted calibration curve ... 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.
Referring to the posted calibration curve ... 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.
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Referring to the posted calibration curve ...
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.
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Calibration Curve to use for SEPT 27 and HW assignment..
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Expert Solution
Step 1
The calibration curve given is,
Given: Mass of sample used = 154 g.
Volume of original sample prepared = 75.00 mL = 0.07500 L (Since 1 L = 1000 mL)
Volume of original sample used = 10.00 mL = 0.010 L
Volume of final solution diluted to = 250.00 mL = 0.250 L
And absorbance of solution = 0.840
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Solved in 2 steps with 2 images
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