Question

. A) Which one of the following acids has the weakest conjugate base? (4 Pts.)     ...

. A) Which one of the following acids has the weakest conjugate base? (4 Pts.)

     Acid-1 (Ka = 2 x 10-5) ; Acid-2 (Ka = 4 x 10-7); Acid-3 (Ka = 3 x 10-6); Acid-4 (Ka = 1 x 10-4)

     B) Which one of the following bases has the strongest conjugate acid?

      Base-1 (Kb = 2 x 10-5) ; Base-2 (Kb = 4 x 10-7); Base-3 (Kb = 3 x 10-6); Base-4 (Kb = 1 x 10-4)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Which of the following acids has the strongest conjugate base? A. HBr , Ka>>1 B. HFv,...
Which of the following acids has the strongest conjugate base? A. HBr , Ka>>1 B. HFv, Ka=6.8*10^-4 C. HOCl, Ka= 3.0*10^-8 D. HCN, Ka= 4.8*10^-10
Which of the following acids has the weakest conjugate base in aqueous solution? A.Hbr B.HF C.HNO2...
Which of the following acids has the weakest conjugate base in aqueous solution? A.Hbr B.HF C.HNO2 D.CH3COOH E.HOCl
For the following questions refer to the table below. Acids Ka HNO2 4.0 x 10-4 HCl...
For the following questions refer to the table below. Acids Ka HNO2 4.0 x 10-4 HCl 3.1 x 106 HCN 6.2 x 10-10 HClO4 > 1.0 x 1010 H2SO4 1.0 x 103 HBrO 2.0 x 10-9 HIO3 1.6 x 10-1 Rank the following bases from strongest to weakest base. NO2-, Cl-, CN-, ClO4-, BrO- What are the following Kb values at 25 ᵒC? CN- BrO- NO2- HSO4- Which acid from the table would be the weakest acid?
Design a buffer that has a pH of 5.70 using one of the weak base/conjugate acid...
Design a buffer that has a pH of 5.70 using one of the weak base/conjugate acid systems shown below. Weak Base Kb Conjugate Acid Ka pKa CH3NH2 4.2×10-4 CH3NH3+ 2.4×10-11 10.62 C6H15O3N 5.9×10-7 C6H15O3NH+ 1 .7×10-8 7.77 C5H5N 1.5×10-9 C5H5NH+ 6.7×10-6 5.17 How many grams of the chloride salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams...
Design a buffer that has a pH of 5.63 using one of the weak base/conjugate acid...
Design a buffer that has a pH of 5.63 using one of the weak base/conjugate acid systems shown below. Weak Base Kb Conjugate Acid Ka pKa CH3NH2 4.2×10-4 CH3NH3+ 2.4×10-11 10.62 C6H15O3N 5.9×10-7 C6H15O3NH+ 1.7×10-8 7.77 C5H5N 1.5×10-9 C5H5NH+ 6.7×10-6 5.17 How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams bromide...
30. Using the data in the table, which of the conjugate bases below is the strongest...
30. Using the data in the table, which of the conjugate bases below is the strongest base? Acid Ka HOAc 1.8 x 10-5 HC7H5O2 6.3 x 10-5 HNO2 4.5 x 10-4 HF 6.8 x 10-4 [A] F− [B] C7H5O2− [C] OAc− [D] NO2− [E] OAc- and C7H5 O2−
1)Design a buffer that has a pH of 10.12 using one of the weak base/conjugate acid...
1)Design a buffer that has a pH of 10.12 using one of the weak base/conjugate acid systems shown below. Weak Base Kb Conjugate Acid Ka pKa CH3NH2 4.2×10-4 CH3NH3+ 2.4×10-11 10.62 C6H15O3N 5.9×10-7 C6H15O3NH+ 1.7×10-8 7.77 C5H5N 1.5×10-9 C5H5NH+ 6.7×10-6 5.17 How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams bromide...
Part A The following equation shows the equilibrium in an aqueous solution of ammonia: NH3(aq)+H2O(l)⇌NH4+(aq)+OH−(aq) Which...
Part A The following equation shows the equilibrium in an aqueous solution of ammonia: NH3(aq)+H2O(l)⇌NH4+(aq)+OH−(aq) Which of the following represents a conjugate acid-base pair? The following equation shows the equilibrium in an aqueous solution of ammonia: Which of the following represents a conjugate acid-base pair? NH3 and H2O NH4+ and OH− H2O and OH− NH3 and OH− Part Part B What is the conjugate base of HCO3−? Express your answer as a chemical formula. Part Part C What is the...
9.) a.) Use the table of relative acid and base strengths on the information page to...
9.) a.) Use the table of relative acid and base strengths on the information page to compare the conjugate bases of these three acids. Acid 1: hydrofluoric acid, HF Acid 2: phosphoric acid, H3PO4 Acid 3: sulfurous acid, H2SO3 What is the formula for the strongest conjugate base ? b.)Use the table of relative acid and base strengths on the information page to compare the following: Acid 1: hypochlorous acid, HClO Acid 2: acetic acid, CH3COOH Acid 3: sulfurous acid,...
1. Weak acids make better buffers than strong acids because they have _____. A. conjugate bases...
1. Weak acids make better buffers than strong acids because they have _____. A. conjugate bases of reasonable strength B. weak conjugate bases C. low pH values 2. The pH of a buffered solution is determined by _____. A. the concentration of the weak acid B. the concentration of the conjugate base C. the acid ionization constant D. All of the above 3. pH = pKa if acid concentration is _____. A.higher than conjugate base concentration B. lower than conjugate...