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Which of the following is a conjugate acid/base pair? A) H2O, NH3 B) NH, HOA C)...
Acid Base ⇄ Conjugate Acid Conjugate Base (A) CH3COOH H2O ⇄ (B) NH3 H2O ⇄ (C) ⇄ HF OH− (D) H2O → I− (E) C5H5NH+ H2O ⇄ [H+] [OH−] pH pOH Acid, Base or Neutral (A) 1.0x10−3 M (B) 4.5x10‒8 M (C) 9.45 (D) 1.33
Which of the following is NOT a conjugate acid-base pair? Which of the following is NOT a conjugate acid-base pair? (A).H2SO3/HSO3- (B).H3O+/OH- (C).NH4+/NH3 (D).C2H3O2-/HC2H3O2 (E).All of the above are conjugate acid-base pairs.
11. which of the following pairs of species is a conjugate acid-base pair? a. NaF, F b. NHs, NH c. H30+, ОН- d. H2CO3, CO32 8. which of the following salts is most likely to form an aqueous solution having the pH <7? a. NaBr b. LiNO3 c. NH4CI d. RbCN 2. which of the following pairs of species is not a conjugate acid-base pair? a. OH, H b. HOCI, OCh c. HSO4,SO42 d. H2CO3, HCO3 11. which of the...
Which of the following is NOT a conjugate acid-base pair? (a ) NH4+/NH2-. (b) H3O+/H2O (c) H2SO3/HSO3- (d) C2H3O2- /HC2H3O2 HC(e) Cal All of the above are conjugate acid-base pairs.
INH 4. Which of the following is not a conjugate acid/base pair? A) HCIO/CIO- B) H2SO4/HSO4 C) NH4+/NH3 E) all of these are conjugate acid base pairs D) H2O The poH of a 0,010 M aqueous solution of Ca(OH)2 is A) 11.70 B) 12.00 C) 12.30 D) 12.60E ) 1.70
(d) Conjugate acid: OH"; conjugate base: H3* (e) None of these 5. Identify the conjugate acid/base pairs in the following equation (10) HASO4 + H2O <H2AsO4 + OH (A). HASO. (acid)HAsO4 (base): H2O (acid)/ OH (base) (B). HASO4 (acid)/HASO. (base): H2O (acid)/ OH (base) (C). H2AsO4 (acid)/ OH (base) ; H2O (acid)/HASO4 (base) (D). H AsO4 and H20 (acids): OH and HASO4(bases) (E). None of these 6. Which is an INCORRECT statement?(10) a) The conjugate base of H2O is OH....
b. NH e. HaPO c. 0 11. For the following reaction, which is a conjugate acid and base pair? NH2CH: (aq)+ HCO H (aq) NH CH, (aq) + HCO (aq) a. Acid: NH2CHs; Conjugate Base: HCO2H b. Acid: HCO2H; Conjugate Base: NH2CH Acid: NH CH; Conjugate Base: NH CH3 d. Acid: HCO2H; Conjugate Base HCO2 e. Acid: NH3CH3; Conjugate Base: NH2CH C. 12. If the Ks of benzoic acid (CsHsCOOH) is 6.14 x 10, what is the pK, of the...
7. a) Identify the conjugate acid-base pairs in the following reaction: NH3(aq) + H O(l) + NHa*(aq) + OH (aq) b) The conjugate acid of HCO3 ? c) The conjugate base of H2PO4? d) Which of the following is not a conjugate acid-base pair? A) NH4+/NH3; B) H30*70H; C) H2SO3/HSO3; D) C2H3027HC2H302; E) All of the above are conjugate acid-base pairs.
1. Identify the acid (A), base (B), conjugate acid (CA) and the conjugate base (CB) in the following equation (5) NH3(aq) + H2O + NH(aq) + OH(aq) B CB CA 2. Determine the pH of a solution at 25°C in which the hydronium ion [H3O+] is 3.5 X 10 - log 3.5x10-4 - pH = 3.45 M. C 3. Calculate the [H3O+] in a solution at 25°C in which the pH is 4.76. (5)
Lab 8: Acids and Bases: Fill in these tables Acid Base Conjugate Acid HNO2 H2O HF H₂O HO" Conjugate Base Balanced Reaction HNO3 + H2O → NO,' + H2O F NH3 + HCN » NH+ CNC HCI NaOH H, O CIO, Which of the above could you make a buffer with? (using the Kor Na salt of the conjugate base of course) | (ОН) pH [H30] 2.5 x 100M Acidic, Basic or Neutral? 3.6 x 10M