A 500 cm3 solution containing 33.5 mg of potassium permanganate in a cuvette with a path length of 2 cm show a transmittance at 450 m. If the percentage transmittance is observed to be 10, calculate the molar absorpturity of potassium parmangnate.

To calculate the molar absorptivity (\(\varepsilon\)) of potassium permanganate, we can use the Beer-Lambert Law, which relates the absorbance (\(A\)), molar absorptivity (\(\varepsilon\)), concentration (\(c\)), and path length (\(l\)) of a solution:

\[ A = \varepsilon \cdot c \cdot l \]

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