Write the equilibrium constant for the reaction HIO₃(aq) + NH₂NH₂(aq) ⇌ NH₂NH₃ ⁺ (aq) + IO₃^– (aq) and calculate the value of K at 298 K using the data in Tables 6C.1 and 6C.2..

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TABLE 6C.1 Acidity Constants at 25 C* Acid trichloroacetic acid, CCI,COOH benzene sulfonic acid, C,H-SO;H iodic acid, HIO, sulfurous acid, HSO3 chlorous acid, HClO phosphoric acid, H,PO chloroacetic acid, CHClCOOH lactic acid, CH,CH(OH)COOH nitrous acid, HNO hydrofluoric acid, HF K 3.0 X 10- 2.0 10- 1.7 X 10- 1.5 x 10- 1.0 x 10- 7.6 X 10- 1.4 x 10- 8.4 x 10-4 4.3 x 10-4 3.5 x 10-4 pK 0.52 0.70 0.77 1.81 2.00 2.12 2.85 3.08 3.37 3.45 Acid formic acid, HCOOH benzoic acid, C,H-COOH acetic acid, CHCOOH carbonic acid, HCO; hypochlorous acid, HClO hypobromous acid, HBrO boric acid, B(OH)3* hydrocyanic acid, HCN phenol, C,H,OH hypoiodous acid, HIO Ka 1.8 x 10-4 6.5 x 10-5 1.8 x 10-5 4.3 X 10-7 3.0 10-8 2.0 x 10-5 -9 7.2 x 10-10 4.9 X 10- -10 1.3 10-10 2.3 10-11 pK 3.75 4.19 4.75 6.37 7.53 8.69 9.14 9.31 9.89 10.64