Given the following data and graph, calculate the concentration of the unknown. You must use the graph/equation of the line to calculate the unknown. Concentration Absorbance at 425 nm 25 % Tartrazine 0.38 50 % Tartrazine 0.79 75 % Tartrazine 1.15 100 % Tartrazine 1.62 unknown 0.95 Absorbance of Tartrazine as a Function of Concentration y = 0.0159x R² = 0.9993
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First, we need to find the equation of the line using the given data points. We can use any two points to find the slope and the intercept. Show more…
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