HomeworkLib
Question

Question 22 (4 points) Saved The Ksp of Pbs is 2.5x10-18. What concentration of S2- is necessary to precipitate Pbs from a so
science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

The ksp is calculated as follows Thank you

0 0
Add a comment
Know the answer?
Add Answer to:
Question 22 (4 points) Saved The Ksp of Pbs is 2.5x10-18. What concentration of S2- is...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A solution contains 2.2×10−4 M Ag+ and 1.7×10−3 M Pb2+. If NaI is added, will AgI(Ksp=8.3×10−17)...

    A solution contains 2.2×10−4 M Ag+ and 1.7×10−3 M Pb2+. If NaI is added, will AgI(Ksp=8.3×10−17) or PbI2(Ksp=7.9×10−9) precipitate first? AgI. My question is: Specify the concentration of I− needed to begin precipitation.

  • Ksp = 2.5x10-13 for Pb(103)2 at 25 °C. Calculate the molar concentration of iodate ions in...

    Ksp = 2.5x10-13 for Pb(103)2 at 25 °C. Calculate the molar concentration of iodate ions in a saturated lead(II) iodate solution at 25°C using the assumption that the solution is ideal -- i.e. the activity coefficients are 1. (Your answer should be precise to three sig figs.) Submit Answer Tries 0/5 Still assuming an ideal solution, what mass of Pb(103)2 would be dissolved in 100. mL of saturated solution at 25 °C? (Your answer should be precise to three sig...

  • Please help with chemistry 17. Find the new K value for the combined solubility equilibrium and...

    Please help with chemistry 17. Find the new K value for the combined solubility equilibrium and formation equilibrium reactions when the Ksp for PbCO, is 7.4x10M and the K, for the [Pb(GOJ2]2-complex ion is 3.5x106. (C2042-?S the bidentate oxalate ligand.) The K, for the complexion Pb(EDTA)2-is 2.0x108. Analysis shows a solution at equilibrium contains [Pb(EDTA?] = 0.0011 M, [EDTA"] = 0.88 M, and [Pb2+]s 6.25×10-22 M. what concentration of sulfide ion will just start the precipitation of PbS(s) from the...

  • above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 8.42? the Ksp of Fe(OH)2...

    above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 8.42? the Ksp of Fe(OH)2 is 4.87x10^-17 Question 28 of 31 > Attempt 6 - Above what Fe2+ concentration will Fe(OH), precipitate from a buffer solution that has a pH of 8.42? The Kp of Fe(OH), is 4.87x10-17 [Fe2+1 = 1.95 x10-11

  • 41. -/0.1 points 0/4 Submissions Used A solution of Na 3ASO4 is added dropwise to a...

    41. -/0.1 points 0/4 Submissions Used A solution of Na 3ASO4 is added dropwise to a solution that is 0.0219 M in Cu2+ and 0.0491 M in Ag+ The Ksp of Cu3(AsO4)2 is 7.95e-36. The Ksp of Ag3AsO4 is 1.03e-22. (a) What concentration of AsO43- is necessary to begin precipitation? (Neglect volume changes.) [AsO43- М. (b) Which cation precipitates first? Cu2+ Ag (c) What is the concentration of AsO43 when the second cation begins to precipitate? [AsO43- М.

  • 29. -10.1 points 0/4 Submissions Used A solution of Na3AsO4 is added dropwise to a solution...

    29. -10.1 points 0/4 Submissions Used A solution of Na3AsO4 is added dropwise to a solution that is 0.0361 M in B13+ and 0.000122 M in Cd2+. The Ksp of BiAsO4 is 4.43e-10. The Ksp of Cd3(AsO4)2 is 2.2e-33. (a) What concentration of AsO43- is necessary to begin precipitation? (Neglect volume changes.) [A5043-) = M. (b) Which cation precipitates first? O Bi3+ OCd2+ (c) What is the concentration of AsO43- when the second cation begins to precipitate? [A5043-) =

  • Question 4 07 1.5 pts What is the concentration of Pb2+ in a saturated solution of...

    Question 4 07 1.5 pts What is the concentration of Pb2+ in a saturated solution of PbCl2 in 0.10 M KCl solution. (Ksp = 1.4 x 108)? Why is [Pb2') in this question (smaller/larger) than in Question 3? Hint: What is the initial [CI] before PbCl2 is dissolved? because the presence of chloride ion prevents the dissolution 1.4 x 10M of PbCl2 1.5 x 10M same as in Question 3 1.4 x 10-M, because the presence of chloride ion slows...

  • QUESTION O Solution has [H30+1 = 2.5x10-4 M. What is [OH in this solution? Give your...

    QUESTION O Solution has [H30+1 = 2.5x10-4 M. What is [OH in this solution? Give your answer in exponential format, og number 2.5x10-4 must be entered as 2.50-4.

  • If the Ksp for AgNO2 is 8.5×10−4, and the silver ion concentration in solution is 0.0050 M, what does the nitrite concen...

    If the Ksp for AgNO2 is 8.5×10−4, and the silver ion concentration in solution is 0.0050 M, what does the nitrite concentration need to be (in units of moles per liter) for a precipitate to occur? ?M

  • 2. Which compound has the highest molar solubility in neutral aqueous solution? (A) ZnS. Ksp-3x10-23 (B)...

    2. Which compound has the highest molar solubility in neutral aqueous solution? (A) ZnS. Ksp-3x10-23 (B) Agl, Ksp 8.52x10-17 (C) BaCO, Ksp 2.58x10 ) Fe(OH)3, Ksp-2.79x10-39 (E) Pblz, Ksp 8.7x10 3. A solution contains 0.01 M Pb2+ and 0.01 M Agt What happens when Na SO(s) is added to bring SO1 to 0.01 M? (Kp(PbSO.)-1.6x10-8. Ksp(Ag SO4) 4x10.) Neither PbSO4 nor Ag SO4 precipitate (B) Both PbSO4 and Ag SO4 precipitate (C) AgaSO4 selectively precipitates. (D) PbSO4 selectively precipitates. 4....

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT