A 2.345 g sample of a ruthenium ore was dissolved and diluted to 100.00 mL. 4.000 mL of this sample was removed, treated appropriately, and diluted to 50.00 mL. This solution has an absorbance of 0.320. Calculate how many grams of ruthenium (MW = 101.07 g/mol) were in the sample.
A 2.345 g sample of a ruthenium ore was dissolved and diluted to 100.00 mL. 4.000 mL of this sample was removed, treated appropriately, and diluted to 50.00 mL. This solution has an absorbance of 0.320. Calculate how many grams of ruthenium (MW = 101.07 g/mol) were in the sample.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
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Problem 143QRT: The present average concentration (mass percent) of magnesium ions in seawater is 0.13%. A chemistry...
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Referring to the posted calibration curve (image attached) ...
A 2.345 g sample of a ruthenium ore was dissolved and diluted to 100.00 mL. 4.000 mL of this sample was removed, treated appropriately, and diluted to 50.00 mL. This solution has an absorbance of 0.320. Calculate how many grams of ruthenium (MW = 101.07 g/mol) were in the sample.
Select one:
1.6
1.3
51
52
1.2
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