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****I have attempted these all on my own and I cannot get them correct. Please o

ID: 879256 • Letter: #

Question

****I have attempted these all on my own and I cannot get them correct. Please only respond if you are confident in your answer, because I only have a few attempts allowed. Also, I am looking for a good explanation of how to work these out on my own*****

Write net Bronsted equations and determine the equilibrium constants for the acid-base reactions that occur when aqueous solutions of the following are mixed.

Instructions:

Enter all substances in the order listed at the top of the column.

Use a carot to indicate a superscript, but do nothing for subscripts.

Use a hyphen + greater than (->) for yields.

Report K to three sig figs even though it is good to only two.

Group 1A and 7A ions (except fluoride) are spectator ions.

Reactants Rxn: Acid(1) + Base(2) = Base(1) + Acid(2) K (three sig figs) acetic acid + ammonia    hydrochloric acid + sodium hydroxide    hydrazoic acid + sodium hypochlorite KHSO4 + NH3    H2S + KClO

Explanation / Answer

1)

CH3COOH(Bronsted acid) + NH3(Bronsted base) ------------> CH3COO^-(conjugate base) + NH4^+(conjugate acid)

K = [CH3COO^-][ NH4^+] / [CH3COOH][NH3]

2)

HCl (Bronsted acid)+ NaOH (Bronsted base) ------------> NaCl (conjugate base)+ H2O (conjugate acid)

K = [ NaCl][H2O] / [HCl ][NaOH]

3)

N3H (Bronsted acid)+ NaOCl (Bronsted base)       ------------> HOCl (conjugate base) + NaN3 (conjugate acid)

K = [HOCl ][NaN3] / [N3H][NaOCl]

4)

KHSO4 here K+ spectator ion so leave that

HSO4^- (Bronsted acid)+ NH3  (Bronsted base)     ------------> SO4^2- (conjugate base)+ NH4^+ (conjugate acid)

K = [SO4^2-][NH4^+] / [HSO4^-][ NH3]

5)

H2S (Bronsted acid)+ ClO^- (Bronsted base)          -------------> HS^- (conjugate base) + HOCl (conjugate acid)

K = [HS^-][HOCl] / [H2S][ ClO^-]

Note: here you did not mention the numerical values so i could not solve K in values.