A calibration curve from the given data should be plotted.
A calibration curve or standard curve is a method used in analytical chemistry to determine the concentration of unknown sample by comparing to a set of samples with known concentrations.
Using the method of least squares, an equation relating absorbance and the concentration of Fe(II) should be developed.
The slope of the line,
The standard deviation of the slope and the intercept should be calculated.
Standard deviation about regression,
N − number of points used.
The standard deviation of the slope,
The standard deviation of the intercept,
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