Consider the buffer system of nitrous acid, HNO2, and its
Chapter 14, Problem 62QP(choose chapter or problem)
Consider the buffer system of nitrous acid, HNO2, and its salt, NaNO2.HNO2(aq) + H2O(l) ? H3O+(aq) + NO2?(aq)a. The purpose of the buffer system is to:1. maintain [HNO2]2. maintain [NO2?]3. maintain pHb. The weak acid is needed to:1. provide the conjugate base2. neutralize added OH?3. provide the conjugate acidc. The addition of H3O+ is neutralized by:1. the salt2. H2O3. OH?d. When OH? is added, the equilibrium shifts in the direction of the:1. reactants2. products3. does not change
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