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When reaction (1) and (2) below are added together, the result is reaction (3). 1) H2O(l) + HNO2(aq) ⇌ H3O+(aq) + NO2-(aq) 2) H3O+(aq) +OH-(aq) ⇌ 2 H2O(l) 3) HNO2(aq) +OH-(aq) ⇌ NO2-(aq) + H2O(l) If K1 = 4.50 × 10^-4, and K2 = 1.00 × 10^14, find the equilibrium constant,K3. A) 4.50 × 10^10 B) 4.50 × 10^-18 C) 2.22 × 10^17 D) 1.00 × 10^14