A water sample collected downstream from a gold-mining operation returns a cyanide concentration of 6.18μg/L CN-. A 10-mL aliquot is spiked with 100μL of 500.0μg/L cyanide and analyzed. Analysis returns a cyanide concentration of 10.5μg/L CN-. What is the percent recovery for the spike? Make sure to consider any dilution of the original sample.
A water sample collected downstream from a gold-mining operation returns a cyanide concentration of 6.18μg/L CN-. A 10-mL aliquot is spiked with 100μL of 500.0μg/L cyanide and analyzed. Analysis returns a cyanide concentration of 10.5μg/L CN-. What is the percent recovery for the spike? Make sure to consider any dilution of the original sample.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter10: Solutions
Section: Chapter Questions
Problem 6QAP
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A water sample collected downstream from a gold-mining operation returns a cyanide concentration of 6.18μg/L CN-. A 10-mL aliquot is spiked with 100μL of 500.0μg/L cyanide and analyzed. Analysis returns a cyanide concentration of 10.5μg/L CN-. What is the percent recovery for the spike? Make sure to consider any dilution of the original sample.
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