Which of the following represents the usual relationship of acid-ionization constants for a tripprotic acid? a)...

Question

Question

Which of the following represents the usual relationship of acid-ionization constants for a tripprotic acid? a)...

Which of the following represents the usual relationship of acid-ionization constants for a tripprotic acid?

a) K_a1 << K_a2 << K_a3
b) K_a1 ≥ K_a2 ≥ K_a3
c) K_a1 ≤ K_a2 ≤ K_a3
d) K_a1 >> K_a2 ≅ K_a3
e) K_a1 >> K_a2 >> K_a3

science chemistry

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

1. The acid - icnisation constant for a triborotic acid are related as Ka, >> Kaz » Kaz In fact, they differ by a order of 10

Add a comment

Answer 2

Similar Homework Help Questions

Question 15 0/4 pts The acid ionization constants of phosphoric acid (H3PO4) are Ka1 = 7.5...

Question 15 0/4 pts The acid ionization constants of phosphoric acid (H3PO4) are Ka1 = 7.5 x 10-3. Ka2 = 6.2 x 10-8 and Ka3 - 4.2 x 10-13 at 25.0°C. What is the molar concentration of phosphate ion in a 2.5 M aqueous solution of phosphoric acid?
Phosphoric acid has three protons that can ionize. The Kas are as follows: Ka1 = 6.9...

Phosphoric acid has three protons that can ionize. The Kas are as follows: Ka1 = 6.9 x 10-3 Ka2 = 6.4 x 10-8 Ka3 = 4.8 x 10-11 Which of these constants would you use to calculate the pH of a 0.1 M solution of H3PO4? A. Ka1, Ka2, and Ka3 B. Ka1, and Ka2 C. Ka1 only D. Ka2, and Ka3 E. Ka1, and Ka3
-The triprotic acid H3A has ionization constants of Ka1 = 4.9× 10–2, Ka2 = 6.0× 10–6,...

-The triprotic acid H3A has ionization constants of Ka1 = 4.9× 10–2, Ka2 = 6.0× 10–6, and Ka3 = 2.0× 10–13. Calculate the following values for a 0.0700 M solution of NaH2A (H+)=? (H2A-)/(H3A)=? -Calculate the following values for a 0.0700 M solution of Na2HA. (H+)=? (HA2-)/(H2A-)=?

Phosphoric acid, H3PO4, is a triprotic acid with the following acid dissociation constants: Ka1 = 7.5 × 10-3 Ka2 = 6.2...

Phosphoric acid, H3PO4, is a triprotic acid with the following acid dissociation constants: Ka1 = 7.5 × 10-3 Ka2 = 6.2 × 10-8 Ka3 = 4.2 × 10-13 Which of the following combinations would be best for preparing a pH 7 buffer? a. H3PO4 and NaH2PO4 b. H3PO4 and HCl c. Na2HPO4 and Na3PO4 d. NaH2PO4 and Na2HPO4 e. H3PO4 and Na3PO4
The triprotic acid H3A has ionization constants of Ka1=5.37×10−3 , Ka2=4.31×10−6 , and Ka3=1.04×10−11 . Calculate...

The triprotic acid H3A has ionization constants of Ka1=5.37×10−3 , Ka2=4.31×10−6 , and Ka3=1.04×10−11 . Calculate the H+ concentration and the ratio [H2A−]/[H3A] for a 0.0170 M solution of NaH2A . [H+]= [H2A−]/[H3A]= Calculate the H+ concentration and the ratio [HA2−]/[H2A−] for a 0.0170 M solution of Na2HA . [ H + ]= [HA2−]/[H2A−]=
Given a diprotic acid, H2A, with two ionization constants of Ka1 = 3.5× 10–4 and Ka2...

Given a diprotic acid, H2A, with two ionization constants of Ka1 = 3.5× 10–4 and Ka2 = 5.7× 10–12, calculate the pH for a 0.113 M solution of NaHA. PH=

Hydrosulfuric acid, H2S, has two acid ionization constants. Write equations that correspond to each Ka value....

Hydrosulfuric acid, H2S, has two acid ionization constants. Write equations that correspond to each Ka value. Include states of matter in your answer. Click in the answer box to open the symbol palette. Ka1 = 8.9 × 10−8 Ka2 = 1.0 × 10−19
Phosphoric acid has the following dissociation constants: Ka1 = 7.5×10-3; Ka2 = 6.2×10-8; and Ka3 =4.8×10-13,...

Phosphoric acid has the following dissociation constants: Ka1 = 7.5×10-3; Ka2 = 6.2×10-8; and Ka3 =4.8×10-13, how to prepare a buffer solution of pH 7.40?
20.0-mL sample of 0.123 M diprotic acid (H2A) solution is titrated with 0.1013 M KOH. The acid ionization constants for...

20.0-mL sample of 0.123 M diprotic acid (H2A) solution is titrated with 0.1013 M KOH. The acid ionization constants for the acid are Ka1=5.2×10−5 and Ka2=3.4×10−10. Part A: At what added volume of base does the first equivalence point occur? Part B: At what added volume of base does the second equivalence point occur?

Calculate the concentration of all species in a 0.540 M solution of H2SO3. The acid ionization...

Calculate the concentration of all species in a 0.540 M solution of H2SO3. The acid ionization constants for the acid are Ka1=1.6×10^−2 and Ka2=6.4×10^−8.

Which of the following represents the usual relationship of acid-ionization constants for a tripprotic acid? a)...

Homework Answers

Add Answer to:
Which of the following represents the usual relationship of acid-ionization constants for a tripprotic acid? a)...

Post as a guest

Earn Coins

Question 15 0/4 pts The acid ionization constants of phosphoric acid (H3PO4) are Ka1 = 7.5...

Phosphoric acid has three protons that can ionize. The Kas are as follows: Ka1 = 6.9...

-The triprotic acid H3A has ionization constants of Ka1 = 4.9× 10–2, Ka2 = 6.0× 10–6,...

Phosphoric acid, H3PO4, is a triprotic acid with the following acid dissociation constants: Ka1 = 7.5 × 10-3 Ka2 = 6.2...

The triprotic acid H3A has ionization constants of Ka1=5.37×10−3 , Ka2=4.31×10−6 , and Ka3=1.04×10−11 . Calculate...

Given a diprotic acid, H2A, with two ionization constants of Ka1 = 3.5× 10–4 and Ka2...

Hydrosulfuric acid, H2S, has two acid ionization constants. Write equations that correspond to each Ka value....

Phosphoric acid has the following dissociation constants: Ka1 = 7.5×10-3; Ka2 = 6.2×10-8; and Ka3 =4.8×10-13,...

20.0-mL sample of 0.123 M diprotic acid (H2A) solution is titrated with 0.1013 M KOH. The acid ionization constants for...

Calculate the concentration of all species in a 0.540 M solution of H2SO3. The acid ionization...

Which of the following represents the usual relationship of acid-ionization constants for a tripprotic acid? a)...

Homework Answers

Add Answer to: Which of the following represents the usual relationship of acid-ionization constants for a tripprotic acid? a)...

Post as a guest

Earn Coins

Add Answer to:
Which of the following represents the usual relationship of acid-ionization constants for a tripprotic acid? a)...