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1-An aqueous solution of a monoprotic acid HA (Ka = 4.33×10^-1) has a pH of 4.88. What is the molarity of the solution? (i.e. [HA]+[A-]. 2-Calculate the pH of a 3.92×10^-3 M solution of H2SO4. (Ka = 0.0120 for HSO4-) 3-In a 4.66×10^-2 M solution, a monoprotic acid, is 20.4% dissociated. Calculate Ka for this acid

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