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The values of at 330nm for ArOH and Aro- forms of 2-naphthol are 1587.5M-1cm-1 and 2050 M-1 cm-1. If the concentration of the solution

The values of at 330nm for ArOH and Aro- forms of 2-naphthol are 1587.5M-1cm-1 and 2050 M-1 cm-1. If the concentration of the solution of 2-naphthol is 8*10-5M. calculate the value of pka of 2-naphthol. The adsorption of the buffer solution (pH = 10.0) of 2-naphthol at 330nm is 0.138

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