Zinc sulfide (ZnS) has an increased solubility in acidic waters that is analogous to the increased solubility of PbS in acidic conditions. Using this information, and the K values in the following table, calculate the solubility of ZnS at a pH of 2.35.
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Zinc sulfide (ZnS) has an increased solubility in acidic waters that is analogous to the increased solubility of PbS in...
Clear handwriting The Zn-S-O-H20 Eh-pH diagram and the hydroxide precipitation diagram shown below from the literature...
Clear handwriting
The Zn-S-O-H20 Eh-pH diagram and the hydroxide precipitation diagram shown below from the literature is useful in predicting leaching and precipitation reactions of sulfides and oxides/hydroxides. Answer the following questions relevant to these diagrams (a) Write the balanced chemical equations relevant to zinc leaching in solutions represented by lines 4, 5, 18 and 19 (b) Calculate the theoretical pH of a solution of 12 mol/L NaOH at 25 °C, assuming unit activity coefficients (H2O=H*+OH;; K = 1014 at...
5. Which of the following species is amphiprotic in aqueous solution? (a) CH3NH2 c) NH4 (e)...
5. Which of the following species is amphiprotic in aqueous solution? (a) CH3NH2 c) NH4 (e) HSO (d) F (b) Н:0" 6, Use Table 15.2 (page 529) to decide whether the species on the left or those on the right are favored by the reaction. a. NH4 (aq) + H2PO4" (aq) # NH3(aq) + HsPO b. HCN (aq) + HS(aq) CN" (aq) +H2S c. HCO +OH CO2 H2S d. Al(H20)6 3+ +OH = Al(H20) s2+ OH 7. The equilibrium constant...
17.6 Based on the information in Appendix D, calculate the pH and trimethylammonium ion concentration of...
17.6 Based on the information in Appendix D,
calculate the pH and trimethylammonium ion concentration of a
solution of trimethylamine, (CH3) 3N, 0.075 M, and
trimethylammonium chloride, (CH3) 3NHCl, 0.10 M.
CONSTANTS OF AQUEOUS BALANCE Кок LO X 107 3.0 X 10-12 X L6 X 10 12 Kat 18 X 105 5.6 X 10- 5.1 X 10-10 3 X 10 6.3 X 105 5.8 X 10 10 15 X Ls 43 X 10 14 X 1st 1 x 102 74...
Please help with solving Question 1 (A-C) Thank you! Unless otherwise specified in the problem, you...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7 x 10-5 Molar solubility = 1 mol/L Calculate the molar solubility of Ag, SO4 in 0.022MAgNO3. Molar solubility = mol/L Calculate the molar solubility of Ag, SO4 in 0.022MK2SO4. Molar solubility = mol/L APPENDIX Solubility Product Constants for Some Inorganic Compounds at 25°C Substance K Substance 1.6 x 10-16 1.9 X 10-33 1.3 x 10-30 7.8 x 10-21 6.7 X 10-11 24 X 10-...
A solution contains 9.36x10M ammonium sulfide and 7.94x10- Mammonium phosphate. Solid lead acetate is added slowly...
A solution contains 9.36x10M ammonium sulfide and 7.94x10- Mammonium phosphate. Solid lead acetate is added slowly to this mixture. What is the concentration of sulfide ion when phosphate ion begins to precipitate? (sulfide] LU Substance Aluminum compounds Substance 1.6 X 10-16 1.9 X 10-33 1.3 x 10-20 7.8 x 10-21 6.7 X 10-31 2.4 x 10-23 1.6 X 10-9 Chromium compounds CrAsO4 CH(OH), СТРО. Cobalt compounds Co (AsO.) COCO, Co(OH), CoS (a) CoS (B) Co(OH), 1.1 X 10-13 8.1 x...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
let me know if you need any values Use the References to ac tant values i meded for the question Solid potass...
let
me know if you need any values
Use the References to ac tant values i meded for the question Solid potassium sulfate is slowly added to 50.0 ml. of a 0.0487 M barium nitrate solution. The concentration of sulfate ion required to just initiate precipitation is Si Anne Retry Entire Group 9 more group attempts remaining APPENDIX Solubility Product Constants for Some Inorganic Compounds at 25°C Substance K Substance 1.6 x 10-16 1.9 X 10-33 1.3 x 10-30 7.8...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What,...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What, if anything, should you do to test for Co2 and Ni*? Qual Scheme: Group III: Co?(pink), N1" (green), Fet+ (yellow), Cr" (blue-grey), Mn(pink), AP (colorless), Zn? (colorless). Unknown B Solution: Use 10 dps of unknown sample and 10 dps of H20 and go to Procedure for Group III. Procedure for Group II: Add 2 dps NHCl soln, add 6M NHOH until just basic to...
let me know if you need any values Review Topics References) Use the References to access important values if...
let me know if you need any values
Review Topics References) Use the References to access important values if needed for this question Consider these compounds A. PbBr2 B. MnCO; C. Ag, D. Caso, Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.. ABC) Without doing any calculations it is possible...
Clear handwriting
The Zn-S-O-H20 Eh-pH diagram and the hydroxide precipitation diagram shown below from the literature is useful in predicting leaching and precipitation reactions of sulfides and oxides/hydroxides. Answer the following questions relevant to these diagrams (a) Write the balanced chemical equations relevant to zinc leaching in solutions represented by lines 4, 5, 18 and 19 (b) Calculate the theoretical pH of a solution of 12 mol/L NaOH at 25 °C, assuming unit activity coefficients (H2O=H*+OH;; K = 1014 at...
5. Which of the following species is amphiprotic in aqueous solution? (a) CH3NH2 c) NH4 (e) HSO (d) F (b) Н:0" 6, Use Table 15.2 (page 529) to decide whether the species on the left or those on the right are favored by the reaction. a. NH4 (aq) + H2PO4" (aq) # NH3(aq) + HsPO b. HCN (aq) + HS(aq) CN" (aq) +H2S c. HCO +OH CO2 H2S d. Al(H20)6 3+ +OH = Al(H20) s2+ OH 7. The equilibrium constant...
17.6 Based on the information in Appendix D,
calculate the pH and trimethylammonium ion concentration of a
solution of trimethylamine, (CH3) 3N, 0.075 M, and
trimethylammonium chloride, (CH3) 3NHCl, 0.10 M.
CONSTANTS OF AQUEOUS BALANCE Кок LO X 107 3.0 X 10-12 X L6 X 10 12 Kat 18 X 105 5.6 X 10- 5.1 X 10-10 3 X 10 6.3 X 105 5.8 X 10 10 15 X Ls 43 X 10 14 X 1st 1 x 102 74...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7 x 10-5 Molar solubility = 1 mol/L Calculate the molar solubility of Ag, SO4 in 0.022MAgNO3. Molar solubility = mol/L Calculate the molar solubility of Ag, SO4 in 0.022MK2SO4. Molar solubility = mol/L APPENDIX Solubility Product Constants for Some Inorganic Compounds at 25°C Substance K Substance 1.6 x 10-16 1.9 X 10-33 1.3 x 10-30 7.8 x 10-21 6.7 X 10-11 24 X 10-...
A solution contains 9.36x10M ammonium sulfide and 7.94x10- Mammonium phosphate. Solid lead acetate is added slowly to this mixture. What is the concentration of sulfide ion when phosphate ion begins to precipitate? (sulfide] LU Substance Aluminum compounds Substance 1.6 X 10-16 1.9 X 10-33 1.3 x 10-20 7.8 x 10-21 6.7 X 10-31 2.4 x 10-23 1.6 X 10-9 Chromium compounds CrAsO4 CH(OH), СТРО. Cobalt compounds Co (AsO.) COCO, Co(OH), CoS (a) CoS (B) Co(OH), 1.1 X 10-13 8.1 x...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
let
me know if you need any values
Use the References to ac tant values i meded for the question Solid potassium sulfate is slowly added to 50.0 ml. of a 0.0487 M barium nitrate solution. The concentration of sulfate ion required to just initiate precipitation is Si Anne Retry Entire Group 9 more group attempts remaining APPENDIX Solubility Product Constants for Some Inorganic Compounds at 25°C Substance K Substance 1.6 x 10-16 1.9 X 10-33 1.3 x 10-30 7.8...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What, if anything, should you do to test for Co2 and Ni*? Qual Scheme: Group III: Co?(pink), N1" (green), Fet+ (yellow), Cr" (blue-grey), Mn(pink), AP (colorless), Zn? (colorless). Unknown B Solution: Use 10 dps of unknown sample and 10 dps of H20 and go to Procedure for Group III. Procedure for Group II: Add 2 dps NHCl soln, add 6M NHOH until just basic to...
let me know if you need any values
Review Topics References) Use the References to access important values if needed for this question Consider these compounds A. PbBr2 B. MnCO; C. Ag, D. Caso, Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.. ABC) Without doing any calculations it is possible...
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