Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill

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In this and following chapter's, more difficult problems are indicated by an asterisk.
(a) Solve the quadratic equation (referred to in EquatioN₂.14) for the more general case where the total concentration of acid (A 0 = [HA] + [A ]) has any value A 0.
(b) One can avoid solution of the quadratic equation by using a method of successive approximations, starting with x 2 A 0 K 3. Explain how this would be done.