An unknown sample of dopamine gave a current of 34.6 na

Reference no: EM13783381

Standard addition. An unknown sample of dopamine gave a current of 34.6 nA in an electrochemical analysis. Then 2.00 mL of solution containing 0.0156 M dopamine was mixed with 90.0 mL of unknown, and the mixture diluted to 100.0 mL in a volumetric flask. The signal from the new solution was 58.4 nM. What was the dopamine concentration in the unknown?

Reference no: EM13783381

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