Question

1. What is the pH of a 1.05M solution of carbonic acid? Ka1 = 4.3 x...

1. What is the pH of a 1.05M solution of carbonic acid? Ka1 = 4.3 x 10-7 Ka2 = 5.6 x 10-11

2. A diprotic acid, H2A has the following Kas: Ka1 = 3.94 x 10-7 and Ka2 = 8.78 x 10-11. What is the Kb of HA-?

3.A diprotic acid, H2A has the following Kas: Ka1 = 3.94 x 10-7 and Ka2 = 8.78 x 10-11. What is the Kb of HA-?

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
Determine the [H3O+] and the pH of a 0.250 solution of Carbonic acid; Ka1 = 4.3...
Determine the [H3O+] and the pH of a 0.250 solution of Carbonic acid; Ka1 = 4.3 x 10-7; Ka2 = 5.6 x 10-11
1) What concentration of ammonia is required to have a solution with a pH of 11.32?...
1) What concentration of ammonia is required to have a solution with a pH of 11.32? Kb = 1.8x10-5 2) Calculate the Ka of the conjugate acid of a weak base with a Kb = 1.69 x 10−4. 3) A diprotic acid, H2A has the following Kas: Ka1 = 4.24 x 10-7 and Ka2 = 8.51 x 10-11. What is the Kb of HA-?
1. What concentration of ammonia is required to have a solution with a pH of 11.35?...
1. What concentration of ammonia is required to have a solution with a pH of 11.35? Kb = 1.8x10-5 2. A 1.81 x 10−3 M solution of quinine, a drug used in treating malaria, has a pH of 9.82. What is the value of Kb? Express your answer in scientific notation, 2 significant figures. 3. A diprotic acid, H2A has the following Kas: Ka1 = 3.13 x 10-7 and Ka2 = 8.93 x 10-11. What is the Kb of HA-?
The titration of 321 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7,...
The titration of 321 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.5 M KOH. How many mL of the 1.5 M KOH are needed to raise the pH of the carbonic acid solution to a pH of 6.755? I tried many times, but I just dont get the answers right. How do I do this?
Carbonic acid (H2CO3) is a diprotic acid (Ka1 = 4.5 x 10-7 and Ka2 = 4.7...
Carbonic acid (H2CO3) is a diprotic acid (Ka1 = 4.5 x 10-7 and Ka2 = 4.7 x 10-11) and plays a role in blood chemistry, cave formation, and ocean acidification. Calculate the equilibrium values of [H3O+], [HCO3-], [H2CO3], and [CO32-] and find the pH of a 0.075 M H2CO3 solution.
For the diprotic weak acid H2A, Ka1= 3.5 x 10^-6 & Ka2= 5.5 x 10^-9 What...
For the diprotic weak acid H2A, Ka1= 3.5 x 10^-6 & Ka2= 5.5 x 10^-9 What is the pH of a 0.0450 M solution of H2A? & What are the equilibrium concentrations of H2A & A2- in this solution? Please explain
For the diprotic weak acid H2A, Ka1=2.1x10^-6 and Ka2=5.6x10^-9. What is the pH of a 0.0400...
For the diprotic weak acid H2A, Ka1=2.1x10^-6 and Ka2=5.6x10^-9. What is the pH of a 0.0400 M solution of H2A? What are the equilibrium concentrations of H2A and A^2- in this solution?
The next three (3) problems deal with the titration of 301 mL of 0.501 M carbonic...
The next three (3) problems deal with the titration of 301 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.5 M KOH. How many mL of the 1.5 M KOH are needed to raise the pH of the carbonic acid solution to a pH of 6.635?
A diprotic acid, H2A, has acid dissociation constants of Ka1 = 3.48× 10–4 and Ka2 =...
A diprotic acid, H2A, has acid dissociation constants of Ka1 = 3.48× 10–4 and Ka2 = 3.21× 10–12. Calculate the pH and molar concentrations of H2A, HA–, and A2– at equilibrium for each of the solutions below.(a) a 0.153 M solution of H2A.(b) a 0.153 M solution of NaHA.(c) a 0.153 M solution of Na2A
The next three (3) problems deal with the titration of 371 mL of 0.501 M carbonic...
The next three (3) problems deal with the titration of 371 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.9 M NaOH. 1)What is the pH of the solution at the 2nd equivalence point? 2)What will the pH of the solution be when 0.1282 L of 1.9 M NaOH are added to the 371 mL of 0.501 M carbonic acid? 3) How many mL of the 1.9 M NaOH are...