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22. Ifa bufter solution is 0130 M in a weak acid (K 1.5 103) and 0...
please help me with these questions! Thank you :-) What concentration of so-is in equilibrium with...
please help me with these questions! Thank you :-)
What concentration of so-is in equilibrium with Ag,SO,(s) and 1.00 x 10-3 M Agt? The Kap of Ag,SO, can be found in this table. [s03-] = The Ksp of cadmium carbonate, CACO3, is 1.0 x 10-2. Calculate the molar solubility, S, of this compound. At 25 °C, only 0.0290 mol of the generic salt AB2 is soluble in 1.00 L of water. What is the Ksp of the salt at 25...
1. The following pictures represent solution at various points in the titration of a weak acid...
1. The following pictures represent solution at various points in the titration of a weak acid with a strong base. HA + OH - HOH + A OH - -OH Which picture to the left corresponds to cach of the following points in the titration? before the addition of any NaOH at the equivalence point where only a salt remains which solution is a buffer? Multiple Choice 1. Barium hydroxide is slightly soluble in water, with a Kap of 5.00...
help me out, please! answer all the multiple choice. (15) A phosphate buffer solution is prepared by mixing 100. m...
help me out, please! answer all the multiple
choice.
(15) A phosphate buffer solution is prepared by mixing 100. mL. of 0.300 M KH PO, and 150.ml 0.500 M K HPO (a) Calculate the molar concentrations of H:PO, and that of HPO,2 in the buffer solution. (b) What is the pH of the buffer solution? (H,PO, has K,-6.2 x 10 (c) Write a net ionic equation for the bufering reaction against a strong acid, Hjo (d) Calculate the new concentration...
Answer ASAP please!!! 8. Calculate the percent ionization in a 0.56 M aqueous solution of phenol...
Answer ASAP please!!!
8. Calculate the percent ionization in a 0.56 M aqueous solution of phenol (C6H5OH), if the pH is 5.07 at 25°C (Ka = 1.3 x 10-10). A. 1.5 x 10-3 % B. 1.1 x 10-1 % C. 1.5 x 10-5% D. 2.5 % E. 3.5 x 10-3% [Ni(en)]2+ (aq) + 6 NH3 (aq) 9. What is Keq for the following reaction? [Ni(NH3)]2+ (aq) + 3 en (aq) = Ký [Ni(NH3)4]2+ = 1.2 x 109 K [Ni(en)]2+ =...
P27. (Sec. 16.6) What is the solubility, in g/L, of barium fluoride, BaF2, at 25 °C...
P27. (Sec. 16.6) What is the solubility, in g/L, of barium fluoride, BaF2, at 25 °C BaF:(s) Ba(a)+2F1(aq) Ksp 1.7x 106 a) 9.25 g/L b) 6.41 g/L c) 2.56 g/L d) 1.31 g/L e) 0.0752 g/L P28. (Sec. 16.6) What is the molar solubility of iron (III) hydroxide, Fe(OH), İn a 0.15 M solution of sodium hydroxide, NaOH? Fe(OH)s(s)Fe*(aq) +30H-'(aq) Ksp= 1.1 × 10-36 a) 0.00338 mol/L b) 3.25 x 10-34 mol/L c) 5.05×10-17mol/L d) 0.00955 mol/L e) 0.0875 mol/L
#9 and #10 Thank you solubility of the slightly soluble salt The solubility of AgCl is...
#9
and #10 Thank you
solubility of the slightly soluble salt The solubility of AgCl is the same in a 1.0 M NH, solution vs. in pure water because the Ksp of AgCl is a constant at 25°C. D) 9. Calculate the molar solubity of AgBrts) in 0.500 M NH, at 25°C. Kup of AgBr is 1.8 x 10-5, K of Ag(NHs)2" is 1.7 x 10 A) 8.7 x 104 M B) 1.2x 10-3 M C) 4.2 x 10-7 M...
34. Chromium(III) hydroxide has Ksp 1.6 x 10-30. What is the molar solubility of Cr(OH)3 in a solution whose pH is maintained at 6.00? (A) 1.6 x 10-12 mol L-1 (C) 3.6 х 10-8 mol L-1 (B) 1.6 x 10- mol...
34. Chromium(III) hydroxide has Ksp 1.6 x 10-30. What is the molar solubility of Cr(OH)3 in a solution whose pH is maintained at 6.00? (A) 1.6 x 10-12 mol L-1 (C) 3.6 х 10-8 mol L-1 (B) 1.6 x 10- mol L-1 (D) 1.6 x 106 mol L-1 35. At 400 K, this reaction has Kp- 8.2 x 10. SO3(g)SO2(g)/ 02(g) What is Kp at 400 K for the following reaction? 2 SO3(g) 2 SO2(g) + O2(g) (B) 8.2 x...
a) b) c) d) If the Kb of a weak acid is 2.9 10*, the K,...
a)
b)
c)
d)
If the Kb of a weak acid is 2.9 10*, the K, of its conjugate acid must be which of the following? 2.9.10 6.46 7.54 3.4 10- The hydronium ion concentration of a 0.50 mol/L solution of hydrocyanic acid, HCN(aq), is 1.4 x 10-5 mol/L. Use Weak Acid Info 16.1 to answer the following question. The Ka for hydrocyanic acid is: 3.9 x 10-10 1.4 x 10-5 5.0 x 10-2 6.2 x 10-10 An acetic acid-sodium...
Solid silver nitrate is added slowly to a solution that is 0.0010 M in sodium chloride and 0.0010...
Solid silver nitrate is added slowly to a solution that is 0.0010 M in sodium chloride and 0.0010 M in sodium bromide. What % of the bromide ions remain in solution, ie , unprecipitated, Just before silver chloride begins to precipitate? Kap for AgCI-1.8 x 10-10, Kp for AgBr- 3.3 x 10-13 10. 0.18% 0.018% 0.0010% 0.00010% 0.0018% a. b. c. d. e. 11. Calculate the concentration of F ions in saturated CaF2 solution at 25°C. Kap- 3.9x 10-" a....
28. Describe the pH of the following salts? NaF, NH,CI, KI, NH.F A) acidic, basic, neutral,...
28. Describe the pH of the following salts? NaF, NH,CI, KI, NH.F A) acidic, basic, neutral, cannot tell without further information B) neutral, acidic, neutral, cannot tell without further information C) neutral, acidic, neutral, neutral D) basic, acidic, neutral, cannot tell without further information E) basic, acidic, neutral, neutral 29. Which of the following salts is(are) considered basic when dissolved in water? I NaNO IL K PO III NH C A) l only B) II only C) land il D)...
please help me with these questions! Thank you :-)
What concentration of so-is in equilibrium with Ag,SO,(s) and 1.00 x 10-3 M Agt? The Kap of Ag,SO, can be found in this table. [s03-] = The Ksp of cadmium carbonate, CACO3, is 1.0 x 10-2. Calculate the molar solubility, S, of this compound. At 25 °C, only 0.0290 mol of the generic salt AB2 is soluble in 1.00 L of water. What is the Ksp of the salt at 25...
1. The following pictures represent solution at various points in the titration of a weak acid with a strong base. HA + OH - HOH + A OH - -OH Which picture to the left corresponds to cach of the following points in the titration? before the addition of any NaOH at the equivalence point where only a salt remains which solution is a buffer? Multiple Choice 1. Barium hydroxide is slightly soluble in water, with a Kap of 5.00...
help me out, please! answer all the multiple
choice.
(15) A phosphate buffer solution is prepared by mixing 100. mL. of 0.300 M KH PO, and 150.ml 0.500 M K HPO (a) Calculate the molar concentrations of H:PO, and that of HPO,2 in the buffer solution. (b) What is the pH of the buffer solution? (H,PO, has K,-6.2 x 10 (c) Write a net ionic equation for the bufering reaction against a strong acid, Hjo (d) Calculate the new concentration...
Answer ASAP please!!!
8. Calculate the percent ionization in a 0.56 M aqueous solution of phenol (C6H5OH), if the pH is 5.07 at 25°C (Ka = 1.3 x 10-10). A. 1.5 x 10-3 % B. 1.1 x 10-1 % C. 1.5 x 10-5% D. 2.5 % E. 3.5 x 10-3% [Ni(en)]2+ (aq) + 6 NH3 (aq) 9. What is Keq for the following reaction? [Ni(NH3)]2+ (aq) + 3 en (aq) = Ký [Ni(NH3)4]2+ = 1.2 x 109 K [Ni(en)]2+ =...
P27. (Sec. 16.6) What is the solubility, in g/L, of barium fluoride, BaF2, at 25 °C BaF:(s) Ba(a)+2F1(aq) Ksp 1.7x 106 a) 9.25 g/L b) 6.41 g/L c) 2.56 g/L d) 1.31 g/L e) 0.0752 g/L P28. (Sec. 16.6) What is the molar solubility of iron (III) hydroxide, Fe(OH), İn a 0.15 M solution of sodium hydroxide, NaOH? Fe(OH)s(s)Fe*(aq) +30H-'(aq) Ksp= 1.1 × 10-36 a) 0.00338 mol/L b) 3.25 x 10-34 mol/L c) 5.05×10-17mol/L d) 0.00955 mol/L e) 0.0875 mol/L
#9
and #10 Thank you
solubility of the slightly soluble salt The solubility of AgCl is the same in a 1.0 M NH, solution vs. in pure water because the Ksp of AgCl is a constant at 25°C. D) 9. Calculate the molar solubity of AgBrts) in 0.500 M NH, at 25°C. Kup of AgBr is 1.8 x 10-5, K of Ag(NHs)2" is 1.7 x 10 A) 8.7 x 104 M B) 1.2x 10-3 M C) 4.2 x 10-7 M...
34. Chromium(III) hydroxide has Ksp 1.6 x 10-30. What is the molar solubility of Cr(OH)3 in a solution whose pH is maintained at 6.00? (A) 1.6 x 10-12 mol L-1 (C) 3.6 х 10-8 mol L-1 (B) 1.6 x 10- mol L-1 (D) 1.6 x 106 mol L-1 35. At 400 K, this reaction has Kp- 8.2 x 10. SO3(g)SO2(g)/ 02(g) What is Kp at 400 K for the following reaction? 2 SO3(g) 2 SO2(g) + O2(g) (B) 8.2 x...
a)
b)
c)
d)
If the Kb of a weak acid is 2.9 10*, the K, of its conjugate acid must be which of the following? 2.9.10 6.46 7.54 3.4 10- The hydronium ion concentration of a 0.50 mol/L solution of hydrocyanic acid, HCN(aq), is 1.4 x 10-5 mol/L. Use Weak Acid Info 16.1 to answer the following question. The Ka for hydrocyanic acid is: 3.9 x 10-10 1.4 x 10-5 5.0 x 10-2 6.2 x 10-10 An acetic acid-sodium...
Solid silver nitrate is added slowly to a solution that is 0.0010 M in sodium chloride and 0.0010 M in sodium bromide. What % of the bromide ions remain in solution, ie , unprecipitated, Just before silver chloride begins to precipitate? Kap for AgCI-1.8 x 10-10, Kp for AgBr- 3.3 x 10-13 10. 0.18% 0.018% 0.0010% 0.00010% 0.0018% a. b. c. d. e. 11. Calculate the concentration of F ions in saturated CaF2 solution at 25°C. Kap- 3.9x 10-" a....
28. Describe the pH of the following salts? NaF, NH,CI, KI, NH.F A) acidic, basic, neutral, cannot tell without further information B) neutral, acidic, neutral, cannot tell without further information C) neutral, acidic, neutral, neutral D) basic, acidic, neutral, cannot tell without further information E) basic, acidic, neutral, neutral 29. Which of the following salts is(are) considered basic when dissolved in water? I NaNO IL K PO III NH C A) l only B) II only C) land il D)...
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