Ha is a weak acid. which equilibrium corresponds to the equilibrium constant kb for a-?

please explain6) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant Kb for A-? AJA. (aq) + H2O (1) ? HA (aq) + OH-(aq) B) A. (aq) + OH-(aq) ? HOA2. (aq) C) HA (aq) + H2O (l) ? H2A+ (aq) + OH-(aq) D) HA (aq) + OH. (aq) ? H2O (l) + H+ (aq) E) A (aq) H30+ (aq) HA (aq) H2O () 7) A Bransted-Lowry base is defined as a substance that A) acts as a proton acceptor B) decreases [H+] when placed in H20 C) increases [OH-] when placed in H2O D) increases [H+] when placed in H20 E) acts as a proton donor 8) What are the Br@nsted-Lowry bases in the following chemical reaction? c5H5N(aq) + H2O(l)-c5H5 NH+(aq) + OH-(aq) A) C5H5N, OH- C) C5H5N, C5H5NH+ D) C5H5N, H20

Answer

Use the titration curve below to answer the following question pH 7.80 At 12.01 equivalence poi Indicator methyl orange methy

6) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant Kb for A-? AJA. (aq) + H2O (I) -HA (aq) + OH-

Explanation :

6)

Kb expression for A-

A- (aq) + H2O (l)   -------------> HA (aq) + OH- (aq)

Kb = [HA][OH-] / [A-]

7)

according bronsted - lowry theory :

base is proton acceptor

acid is proton donor.

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