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In a copper measurement that is made by atomic emission spectroscopy, a blank gives a measured intensity at 216.6 nm of 0.3 unit. A 3.00
In a copper measurement that is made by atomic emission spectroscopy, a blank gives a measured intensity at 216.6 nm of 0.3 unit. A 3.00 ppm Cu2+ solution that is measured under the same conditions gives an emission intensity of 23.7 units and an unknown sample produces an emission of 19.4 units. What is the concentration of copper in the sample? (4 pts)
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