Question

Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three...

Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.350 M phosphoric acid solution.

pKa1= 2.16

pKa2=7.21

pKa3=12.32

[H3PO4]=

[H2PO4-]=

[HPO4^2-]=

[PO4^3-]

[H+]=

[OH-]=

pH=

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three...
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.300 M phosphoric acid solution. pKa1=2.16 pKa2=7.21 pKa3=12.32 [H3PO4] M=? [H2PO4^-] M=? [HPO4^2-] M=? [PO4^3-] M=? [H+] M=? [OH^-] M=? pH=?
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three...
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.400 M phosphoric acid solution. pKa1 pKa2 pKa3 2.16 7.21 12.32 H3PO4=______M H2PO4-=______M HPO42-=________M PO43-=________M H+=_______M OH-=_______M pH=
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three...
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.350 M phosphoric acid solution. ​pKa1=2.16 pKa2=7.21 pKa3=12.32
Phosphorous acid, H3PO4(aq) is a triprotic acid, meaning that one molecule of the acid has three...
Phosphorous acid, H3PO4(aq) is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentration of all species in a 0.200M phosphoric acid solution. Please show how to derive the answer. I will rate you. Thank you! Find: [H3PO4] [H2PO4^-] [HPO^2-] [HPO4^2-] [PO4^3-] [H^+] [OH^-] pH=
phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of acid has 3 acidic...
phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of acid has 3 acidic protons. estimate the pH and concentration of all species in a .200 M phosphoric acid solution Ka1=6.9x10^-3, Ka2=602x10^-8, Ka3=4.8x10^-13
Phosphoric acid is a triprotic acid (Ka1 = 6.9× 10–3, Ka2 = 6.2× 10–8, and Ka3...
Phosphoric acid is a triprotic acid (Ka1 = 6.9× 10–3, Ka2 = 6.2× 10–8, and Ka3 = 4.8× 10–13). To find the pH of a buffer composed of H2PO4–(aq) and HPO42–(aq), which pKa value would you use in the Henderson-Hasselbalch equation? A) pKa1= 2.16 B) pKa2=7.21 C) pKa3= 12.32 Calculate the pH of a buffer solution obtained by dissolving 24.0 g of KH2PO4(s) and 43.0 g of Na2HPO4(s) in water and then diluting to 1.00 L.
The formal composition of an aqueous solution is 0.12 M K2HPO4 + 0.08 KH2PO4. The pKa's...
The formal composition of an aqueous solution is 0.12 M K2HPO4 + 0.08 KH2PO4. The pKa's for triprotic phosphoric acid are 2.12, 7.21, and 12.32. Show the three equilibriums in solution and calculate the pH of the solution. Find concentrations of K+, H3PO4, H2PO4^-, HPO4^2-, PO4^3-, H+, and OH^- in the mixture.
Phosphoric acid is a triprotic acid, and the Ka values are given below. Calculate pH, pOH,...
Phosphoric acid is a triprotic acid, and the Ka values are given below. Calculate pH, pOH, [H3PO4], [H2PO4 2-], [HPO4 -], and [PO4 3-] at equilibrium for a 5.00 M phosphoric acid solution. Ka1 = 7.5 x 10^-3 Ka2 = 6.2 x 10^-8 Ka3 = 4.2 x 10^-13
Phosphoric acid (H3PO4) is a triprotic acid with the following pKa values: pKa1 = 2.15 pKa2...
Phosphoric acid (H3PO4) is a triprotic acid with the following pKa values: pKa1 = 2.15 pKa2 = 7.20 pKa3 = 12.35 a). You wish to prepare a 1.000 L of a 0.0450 M phosphate buffer at pH 6.8. Which of the following salts do you use (PICK 2) and what mass of each salt will you add to the mixture? H3PO4 (M.W.= 97.995) KH2PO4 (M.W.=136.086) Na2HPO4 (M.W.=141.959) AlPO4 (M.W.=121.953)
3. Determine the pH and the concentrations of all aqueous species (Na + , H +...
3. Determine the pH and the concentrations of all aqueous species (Na + , H + , OH – , H3PO4, H2PO4 – , HPO4 2– , and PO4 3– ) in a 0.500 M Na3PO4 solution. (Note that this is a sodium phosphate solution, not a phosphoric acid solution!)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT