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3. An unknown NiCl2 solution is diluted by mixing 2.00 mL of the original sample with 3.00 mL of distilled water, and th
Posted: Wed May 18, 2022 11:31 am
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3. An unknown NiCl2 solution is diluted by mixing 2.00 mL of the original sample with 3.00 mL of distilled water, and the absorbance of the diluted sample is measured at 725 nm. If the dilute solution has an optical density of 0.385, calculate the concentration of NiCl2 in the original (undiluted) sample.