The following is an alpha plot for a monoprotic weak acid, HA. 1.0 a 0.5 0 2 6 pH Submit Answer 8 10 12 14 (1) Estimate the pH at which is there a 50:50 mixture of acid and conjugate base? (2) At pH = 8.0, most of the substance is in the form of a. HA b. A (4) Estimate the value of K for the acid. HA A (3) What is the approximate fractional abundance of the acid at pH = 13.0?

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.