for the data provided for KMnO₄. What does the reading at 525 nm represent? If the molar absorption coefficient for KMnO₄ is

174.4M¹cm^-1, what was the concentration of the stock solution?

\begin{tabular}{|c|c|} \hline \multicolumn{2}{|c|}{ Protein Determination Assay } \\ \hline Proteln (m/ml) & Absorbance \\ \hline 0 & 0 \\ \hline 0.1 & 0.386 \\ \hline 0.3 & 0.661 \\ \hline 0.5 & 0.679 \\ \hline 0.7 & 0.874 \\ \hline 0.9 & 1.058 \\ \hline \end{tabular} Protein Datermination Assay