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Question 3A: Acid Strength Which is the strongest acid? OAcetic acid, pKa 4.74 OHydrobromous acid,pKa 8.62...
QUESTION 3 Given the following pka values, which is the strongest acid of those listed in the answers? HClO2 (pka = 2.00) CCI3COOH (pKa = 0.52) HIO3(pka = 0.77) HBrO2 (pka = 4.69) HN3 (pka = 4.72) O A. CClgCOOH B. HBrO2 C.HIO3 D.HCIO2 E. HN3
Find the percent ionization of a 0.200M acetic acid solution if it’s pKa=4.74
Question 3 of 10 > Arrange the oxoacids of iodine according to strength. Strongest acid Weakest acid Answer Bank HIO, HO HO HIO,
Acetic acid has a pKa of 4.74. A stock solution of 1.0 M acetic acid is available. A stock solution of 2.0 M potassium acetate is available. Show all the calculations and explain how to make 560.0 mL of 250. mM acetate buffer that has a pH = 5.0. (Hint: first make a 250 mM potassium acetate solution and a 250 mM acetic acid solution. Then determine how much of each to use.). pH = pKa + log {[acetate]/[acetic acid]}
ave the (4 pt) pKa 1.96 рКа 9,89 acid (HCHO2), pKa 3.74 5. Circle the strongest acid in each of the following groups (rows). (18 pt) a. H2S H20 H2Se НЕТе b. H20 HF CH4 NH3 C Hхо4 HXO2 нхоз HXO d. HAtO HCIO HIO HBro NH4 CsHsNH CoHsNH3 e. NHs, Ko 1.8x10- CSHSNH, K 1.7x10- CaHsNHa, K = 3.8 x 10-1 OH OH OH OH 6. Three oxoacids with the formular il strength:
upus Rank the following compounds in order of pka from strongest acid to weakest acid for the alpha proton. OD > B>CA A > C> B>D O A D >C>B C> > A>D
A 1.00 L buffer solution with pH = 4.74 is composed of 0.30 mol acetic acid and 0.30 mol sodium acetate. A) Determine the pKa of acetic acid B) If 0.030 mol of NaOH is added, determine the pH of the solution
A buffer formed from 20.0 mL of 0.120 M Acetic acid (CH3COOH) (pKa = 4.74) and 12.0 mL of 0.200 M sodium acetate (CH3COONa). What is the pH of this buffer after addition of 0.0001 mol of HCl?
Rank the following in order of increasing acid strength (1=weakest acid and 4=strongest acid) 4. (4 pts) Rank the following structures in order of increasing acid strength (1 = weakest acid and 4= strongest acid): HN NH OH OH We were unable to transcribe this image
Q3: Organic compounds acid strength: Explain the following pattern of acid strength, include stability arguments and diagrams in your answer. Compound pKa ethanol CH3CH2OH 16.0 2-chloroethanol ClCH2CH2OH 14.3 ethanoic acid CH3COOH 4.74 2-chloroethanoic acid ClCH2COOH 2.84 Based on your explanation, state where you would expect the following two compounds to fit in the order: 2,2,2-trifluoroethanol CF3CH2OH, and 2,2,2-trifluoroethanoic acid CF3COOH. Explain why