(a)
Interpretation:
The slope, intercept, regression statistics including the standard deviation about regression should be calculated.
Concept introduction:
Concentration Dopamine take as the dependent variable and Peak current take as the independent viable.
Concentration of Dopamine take to y axis and Peak current take to x axis.
(b)
Interpretation:
The concentration of dopamine at peak current 2.92 nA should be calculated using the plotted graph.
Concept introduction:
The graph is plotted by taking dopamine concentration as dependant variable and peak current as independent variable.
Therefore, for the given peak current can find the dopamine concentration using the trend line equation.
(c)
Interpretation:
Standard deviation of the unknown concentration should be calculated.
Concept introduction:
Standard deviation will give that the deviation of the value from the average.
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Chapter 25 Solutions
Principles of Instrumental Analysis
- The following cell was found to have a potential of —0.492 V: Ag|AgCl(sat’d)||HA(0.200 M),NaA(0.300 M)|H2(1.00 atm),Pt Calculate the dissociation constant of HA, neglecting the junction potential.arrow_forwardAt what pH does Ecell = 0.00 V for the reduction of dichromate by iodide ion in acid solution, assuming standard-state concentrations of all species except H+ ion?arrow_forward
Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
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