6 Answered Questions for the topic apchem

04/25/20

Titration equivlance point
Calculate the pH at the equivalence point for the titration of 4.938 M HA (a weak acid with pKa = 3.55) with 4.938 M NaOH. 
Follows • 2
Expert Answers •1
Apchem Ap Chemistry

04/25/20

Ksp solubility products

The Ksp of Fe3(PO4)2 is 4.73⋅10−20 M.Calculate the solubility of each ion in a saturated solution: 
Follows • 2
Expert Answers •1

04/20/20

Acid and base equilibrium
OS Chapter 14 Acids and Bases Buffers and Titrations Items Determine the ammonia concentration of an aqueous solution that has a pH of 11. 00. The pKb of NH3 is 4.75. Show work.
Follows • 2
Expert Answers •1

04/18/20

buffer system equilibrium
5. A buffered system of HC2H3O2/NaC2H3O2 by combining 20.0 mL of 0.60 M HC2H3O2 and 20.0 mL of 0.60 M NaC2H3O2. The Ka of HC2H3O2 is 1.80x10-5, pKa = 4.74.
Follows • 1
Expert Answers •1

04/15/20

Acid/Base equilibrium calculations
A solution contains 0.308 M HA (Ka = 7.45⋅10−7) and 0.695 M NaA.  What is the pH of this solution after 0.192 mol of HCl are added to 1.00 L of this solution?
Follows • 2
Expert Answers •1

04/15/20

Acid/Base equilibrium
A 0.828 M solution of the salt NaA has a pH of 8.67. Calculate the Ka value for the acid HA. Record your answer in scientific notation to 3 sig figs.
Follows • 2
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.