1. Sulfurous acid, H,SO3 is a diprotic acid. K = 1.7 X 10; K, = 6.4 x 10-8 a. Write an ionic equation for the aqueous ionization thất corresponds to K. CO Kay Write an ionic equation for the aqueous ionization that corresponds to Identify the conjugate acid-base pairs in each of your two equations. b. Identify any amphoteric species, other than water, in your equations. c. Assume the amphoteric species you identified in Part b is a base Write an ionic equation for its aqueous ionization and calculate the corresponding Km d. Is an aqueous solution of NaHSO, acidic or basic? Explain your reasoning. e. Calculate the pH of a 0.50 M solution of Na,SO3.

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Analytical Tools

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