Problem: What is the effect on the concentration of NO 2 −, HNO2, and OH− when the following is added to a solution of KNO2 in water? The equation for the equilibrium is: NO2 −(aq) + H2 O(l) ⇌ HNO2(aq) + OH−(aq)(a) HCl

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HCl → produces of H+ → reacts with OH-

As HCl is being added, OH- is consumed

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What is the effect on the concentration of NO 2 , HNO2, and OH when the following is added to a solution of KNO2 in water? The equation for the equilibrium is: NO2 (aq) + H2 O(l) ⇌ HNO2(aq) + OH(aq)

(a) HCl

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