Question 4 (4 points) Match the acid to its conjugate base pair. - CO32- 1. H2CO3...
need help with these 2 questions HCO3 + OH -> H2O + CO32- Acid: Base: Conjugate Acid: Conjugate Base: Question 21 HCI + NH3-NH4++CI Acid: Base: Conjugate Acid: Conjugate Base:
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...
Question 11 (2 points) D Which of the following does not represent a conjugate acid-base pair? HCO3/CO32 H3PO4/HPO42 OH/O-2 NH4 /NH3 Save Question 12 (2 points) D Consider the weak acid HCO3 whose pKa -10.32, which form will pre
2. For each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base. a. H2CO3(aq) + H2O(1) ⇋ H3O+(aq) + HCO3(aq) -b. CO32-(aq) + H2O(1) ⇋HCO3(aq) - + OH(aq)- c. HNO3(aq) + H2O(1) → H3O(aq)+ + NO3(aq) - d. CH3NH2(aq) + H2O(1) ⇋ CH3NH3(aq) - + OH(aq)-
Identify acid, base, conjugate acid, and conjugate base in the following reaction: H2CO3(aq) + H2O(1) - HCO3- (aq) + H3O+(aq) H2CO3 is an acid, H2O is a conjugate acid, HCO3- is a base, and H3O+ is a conjugate base. H2CO3 is a conjugate acid, H2O is a conjugate base, HCO3- is a base, and H3O+ is an acid.H2CO3 is an acid, H2O is a conjugate base, HCO3- is a base, and H3O+ is a conjugate acid. H2CO3 is a conjugate acid, H2O is a base, HCO3- is...
Label the stronger acid in each pair. Which acid has the stronger conjugate base? a. H2CO3 or HI b. HF or HBr c. H2SO4 or HNO3 d. H3PO4 or HCN
2 points QUESTION 4 Which of the folowing will be the best conjugate acid/base pair to prepare a buffer at a pH of 3.25? The ka for the acid is provided in parentheses. O HNO2INO2 (40 x 10-4) HC2H302/C2H302 (1.8 x 10-6 Онсисі HCO3 C022 (4.8 x 10-11)
Match the substance to the correct label for the following reaction: H2CO3 (aq) + H2O (l) ⇔ H3O+(aq) + HCO3−(aq) Question 5 options: 1234 H2O 1234 H2CO3 1234 HCO3- 1234 H3O+ 1. Acid 2. Base 3. Conjugate acid 4. Conjugate base
QUESTION 24 The molar solubility of CuI ( mole / L) if its Ksp is 3.0 × 10–6 at room temperature ? CuI(s) <-------> Cu+ (aq) + I – (aq) 3.4 x 10-2 M 1.7 x 10-3 M 3.4 x 10-3 M 0.00084M QUESTION 25 The conjugate acid of of HCO3- and the conjugate base of H2CO3, respectively ? A.H2CO3 & CO32– B. H2O H2CO3 C. CO32– H2CO3 D. H2CO3 & HCO3– E. CO32– & HCO3-
complete the following acide base reaction: HCL + HCO3--> QUESTION 2 Complete the following acid base reaction: HCI (aq) + HCO3- (aq) → H2CIO (aq) + CO2(g) O Cl2 (g) + H2CO3 (aq) H2C11+ (aq) + CO32- (aq) 017- (aq) + H2CO3 (aq)