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The results of this experiment are presented in the following tables and graphs. Solution Fe³⁺ SCN⁻ Absorbance 1 0.0010 0.0005 0.25 2 0.0020 0.0010 0.50 3 0.0030 0.0015 0.75 The absorbance data were used to plot a graph of absorbance versus concentration.
The calculated value of K is:
Fe³⁺ (aq) + SCN⁻ (aq) ⇌ FeSCN²⁺ (aq)
The graph shows a linear relationship between absorbance and concentration, indicating that the reaction follows the Beer-Lambert law.
The results of this experiment are presented in the following tables and graphs. Solution Fe³⁺ SCN⁻ Absorbance 1 0.0010 0.0005 0.25 2 0.0020 0.0010 0.50 3 0.0030 0.0015 0.75 The absorbance data were used to plot a graph of absorbance versus concentration.
The calculated value of K is:
Fe³⁺ (aq) + SCN⁻ (aq) ⇌ FeSCN²⁺ (aq)
The graph shows a linear relationship between absorbance and concentration, indicating that the reaction follows the Beer-Lambert law.