o determine the amount of copper and the identity of the copper compound in the unknown sample, a 100-mL solution containing 120.8 mg of the sample was initially prepared. Then, 5.00 mL of this solution was pipetted and diluted with deionized water in another 100-mL volumetric flask. If the concentration of copper in the 5mL solution is 18mg/L, what is the: (1) mass of copper in the 5ml solution? (2) mass of copper in the unknown sample?
o determine the amount of copper and the identity of the copper compound in the unknown sample, a 100-mL solution containing 120.8 mg of the sample was initially prepared. Then, 5.00 mL of this solution was pipetted and diluted with deionized water in another 100-mL volumetric flask. If the concentration of copper in the 5mL solution is 18mg/L, what is the: (1) mass of copper in the 5ml solution? (2) mass of copper in the unknown sample?
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.37E
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To determine the amount of copper and the identity of the copper compound in the unknown sample, a 100-mL solution containing 120.8 mg of the sample was initially prepared. Then, 5.00 mL of this solution was pipetted and diluted with deionized water in another 100-mL volumetric flask. If the concentration of copper in the 5mL solution is 18mg/L, what is the:
(1) mass of copper in the 5ml solution?
(2) mass of copper in the unknown sample?
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