A chemist needs to create a series of standard Cu²+ (aq) solutions for an absorbance experiment. For the first standard, he uses a pipet to transfer 10.00 mL of a 2.07 M Cu²+ (aq) stock solution to a 500.0 mL volumetric flask, and he adds enough water to dilute to the mark. He then uses a second pipet to transfer 5.00 mL of the second solution to a 100.0 mL volumetric flask, and he adds enough water to dilute to the mark. Calculate the concentration of the Cu²+ (aq) solution in the 100.0 mL volumetric flask. concentration: M

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A chemist needs to create a series of standard Cu²+ (aq) solutions for an absorbance experiment. For the first standard, he uses a
pipet to transfer 10.00 mL of a 2.07 M Cu²+ (aq) stock solution to a 500.0 mL volumetric flask, and he adds enough water to
dilute to the mark. He then uses a second pipet to transfer 5.00 mL of the second solution to a 100.0 mL volumetric flask, and he
adds enough water to dilute to the mark. Calculate the concentration of the Cu²+ (aq) solution in the 100.0 mL volumetric flask.
concentration:
M
Transcribed Image Text:A chemist needs to create a series of standard Cu²+ (aq) solutions for an absorbance experiment. For the first standard, he uses a pipet to transfer 10.00 mL of a 2.07 M Cu²+ (aq) stock solution to a 500.0 mL volumetric flask, and he adds enough water to dilute to the mark. He then uses a second pipet to transfer 5.00 mL of the second solution to a 100.0 mL volumetric flask, and he adds enough water to dilute to the mark. Calculate the concentration of the Cu²+ (aq) solution in the 100.0 mL volumetric flask. concentration: M
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