A. What is the pH of an aqueous solution with a hydrogen ion concentration of [H+]=4.9×10−7M? B. What is the hydroxide ion concentration, [OH−][OH−], in an aqueous solution with a hydrogen ion concentration of [H+]=4.9×10−7M? C. A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq)↽−−⇀H+(aq)+A−(aq) The equilibrium concentrations of the reactants and products are [HA]=0.270 M, [H+]=2.00×10−4 M, and [A−]=2.00 ×10−4 M. Calculate the ?a value for the acid HA.
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A. What is the pH of an aqueous solution with a hydrogen ion concentration of [H+]=4.9×10−7M?
B. What is the hydroxide ion concentration, [OH−][OH−], in an aqueous solution with a hydrogen ion concentration of [H+]=4.9×10−7M?
C. A monoprotic weak acid, HA, dissociates in water according to the reaction
HA(aq)↽−−⇀H+(aq)+A−(aq)
The equilibrium concentrations of the reactants and products are [HA]=0.270 M, [H+]=2.00×10−4 M, and [A−]=2.00 ×10−4 M. Calculate the ?a value for the acid HA.
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