Which species is the conjugate base of HS-?
A. H2S ...number is a subscript
B. HS-
C. S^2-
D. HSO4- ...number is a subscript
E. H2SO4 ...numbers are subscripts

Which species is the conjugate base of HS-? A. H2S ...number is a subscript B. HS-...
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
Which of the following pairs does not show an acid and its conjugate base? Select one: a. H2SO4 and HSO4-b. HNO3 and NO3- c. H2SO4 and SO42- d. HSO4- and SO42-
Problems dentify the acid, base, conjugate acid, and conjugate base in the following reactions (4 pts. each) 1 a) HCO, (aq)+SO. (aq)co2 (aq) + Hsos (aq) b) HCH,coo (aq) + HS (aq) CHbCoo (aq) + H2S (aq) 2. Identify the Lewis acid, Lewis base in the following reactions. (1 pt. each) a) 4 NH3 Zn Zn(NH3)2 Circle which acid in each of the following pairs has the stronger conjugate base.- (1 pt. each) HF a. HCI b. CH COOH HSO4
Choose pairs in which the species listed first is the conjugate base of the species listed second. (Select all that apply.) [CH3NH2 CH3NH3+] ? [H+ OH-] ? [C2H3O2- HC2H3O2] ? [HSO4- SO42-] ?
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...
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need help with number 3 and 4.
3. Which of the following is not true for the dissociation of a strong acid? . Ka is large B. The conjugate base will be weak C. [H+]> [HA] D. The equilibrium lies far to the right E. The equilibrium lies far to the left 4. What are the conjugate bases in the following reaction? H2SO4 + H2O I HSO4 +H30* A. H2SO4 and H30+ B. H2O and HSO4 C. HSO4 and...
Identify whether each species functions as a Brønsted-Lowry acid or a Brønsted-Lowry base in this net ionic equation. + HS Brønsted-Lowry = HNO2 (aq) Brønsted-Lowry 09 NO Brønsted-Lowry + H2S (aq) Brønsted-Lowry In this reaction: The formula for the conjugate of HNO2 is The formula for the conjugate of HS is 1. The formula for the conjugate base of CH3COOH is 2. The formula for the conjugate acid of NO e acid of NO2 is is : 1. The formula...
8. What is the conjugate acid of each of the following? What is the conjugate base of each? (a) H2S (b) H2PO4− (c) PH3 (d) HS− (e) HSO3− (f) H3O2+ (g) H4N2 (h) CH3OH 18. Calculate the pH and the pOH of each of the following solutions at 25 °C for which the substances ionize completely: (a) 0.200 M HCl (b) 0.0143 M NaOH (c) 3.0 M HNO3 (d) 0.0031 M Ca(OH)2
Consider the reaction below. H2S + SO2 = HS” + HSOZ Which of the above chemical species is the Brønsted-Lowry base in the forward reaction? Provide your answer below:
The conjugate base of HSO4- is a. OH- b. H2S04 c. SO42- d. HSO4+ e. H3S04+