esmc3562 esmc3562

21-01-2024
Chemistry

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To determine the number of moles of Cu in the mixture sample, students measure the absorbance of known concentrations of CuNO₃. What does the absorbance measurement help determine?
a) Concentration of CuNO₃
b) Molar absorptivity of CuNO₃
c) Identity of the metal in the mixture
d) Mass of the original mixture

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