Homework Answers
SOLN 1
both Ba(OH)2 and Ca(OH)2 are soluble in water only Co(OH)2 is insoluble hence on adition of NaOH only Co(OH)2 will precipitate
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Dry Lab (use Ksp and Kç values from your text) Which of the following metals will...
9) 25mL of 0.10M Zn(NO3)2 is added to 10. mL of 0.65M NaOH. Find Kc for: (See exp. 4 and dry lab/...
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9) 25mL of 0.10M Zn(NO3)2 is added to 10. mL of 0.65M NaOH. Find Kc for: (See exp. 4 and dry lab/exp.6) Zn^2+ + 40H^--> Zn(OH)402- if pH of the solution is found to be 9.79
9) 25mL of 0.10M Zn(NO3)2 is added to 10. mL of 0.65M NaOH. Find Kc for: (See exp. 4 and dry lab/exp.6) Zn^2+ + 40H^--> Zn(OH)402- if pH of the solution is found to be 9.79
Use the solubility table to answer the following. You do not need to mix any chemicals....
Use the solubility table to answer the following. You do not need to mix any chemicals. 1. Circle the following compounds if they will not dissolve completely or will form ppt in H a CaSO4 (s) Cu(IO3)2(s) AgNO3(s) Baco3 (s) Pb(NO3)2(s) Al(OH)3(s) 2. circle all of the following solutions that will form a precipitate with addition of Mg(IO3)2 aq) Ba (NO3)2(aq) Pb (NO3)2(aq) K2CO3 (aq) CuCl2(aq) NH40H (aq) ZnSO4(aq) 3. Circle all of the following solutions that will not form...
4. (3 pts) If 2.55 g of NaOH were added to a 100.0 mL solution containing...
4. (3 pts) If 2.55 g of NaOH were added to a 100.0 mL solution containing 0.10 M Ca(NO3)2, what (Ca?') remains in solution? Is there complete precipitation of Ca(OH)2?
culate the molarity (M) of an unknown solution of hydrochlorie acid (HCT). This experiment similar to the one as done in the lab session.. The acid solution was titrated in a flask with a solutio...
culate the molarity (M) of an unknown solution of hydrochlorie acid (HCT). This experiment similar to the one as done in the lab session.. The acid solution was titrated in a flask with a solution of NaOH added from the buret until the end point (light pink color in the flask) was seen. Followings are the data measured by a student. (3 points) Molarity (M) of NaOH (given) Volume of acid ( measured) in the flask Volume of NaOH required...
help Ksp of Calcium Hydroxide Report Sheet Be sure to show your work for any calculations Data: A50 Mass of CaCl2 u...
help
Ksp of Calcium Hydroxide Report Sheet Be sure to show your work for any calculations Data: A50 Mass of CaCl2 used Volume of NaOH used Molarity of NaOH used Filtrate pH 167 Saturated solution pH Ksp Calculated from the Saturated Ca(OH)2 solution Use the pH to calculate [OH] in the solution: 14-1 %o.a Complete the following ICE table: Ca(OH)2 (s) +2 OH (aq) Ca (aq) Initial Change Equilibrium Use the equilibrium concentrations to calculate Kg In this lab we...
Lab 7 - Determination of the Ksp of 2000 Calcium Hydroxide Name Madeline Cardu eve Section_02...
Lab 7 - Determination of the Ksp of 2000 Calcium Hydroxide Name Madeline Cardu eve Section_02 Date Team Member(s) Data Part 1: Preparation of Dilute Hydrochloric Acid 1. Concentration of stock HCl solution: 100M 2. Concentration of diluted HCl solution: _0.0400 M (Hint: Use M Vı-M2V2) Show your work below. Part 2: Determination of Ksp for Ca(OH)2 at Room Temperature 1. Volume of Ca(OH), solution used: OML Part 3: Determination of K for Ca(OH), in Boiling Water Table 1: Calculations...
Cu(OH)2 can be obtained from the addition of excess NaOH solution to a solution of Cu(NO3)2 as shown in the figur...
Cu(OH)2 can be obtained from the addition of excess NaOH solution to a solution of Cu(NO3)2 as shown in the figure. If the NaOH is added to 35.0 mL of 0.167 M Cu(NO3)2 and the precipitate isolated by filtration, what is the theoretical yield of Cu(OH)2? Cu(NO3)2 (aq) + 2 NaOH (aq) → Cu(OH)2 (s) + 2 NaNO3(aq) 0.4718 5858 1.10 g 0.570 g 1.14g
Please click the photo there are more questions please click on the photo there are more...
Please click the photo there are more questions
please click on the photo there are more questions
2. A solution is 0.10M in Mg(NO3)2. a. What concentration of OH is required to just start precipitation of Mg(OH)2? (Kap 1.5x101) b. If NH3/NH buffer is used to control the pH, and [NHs] 0.10 M, what concentration of NH is required to prevent the precipitation of Mg(OH)2? 3. Solid AgNOs is slowly added to a solution that is 0.001OM in NaCl, NaBr...
3) Kb for NH3 1.8 x 10-5 a) Calculate the pH of a buffer solution that...
3) Kb for NH3 1.8 x 10-5 a) Calculate the pH of a buffer solution that is 0.100 M NH3 and 0.120 M NHANO3. b) What is the pH after 60.0 mL of 0.010 M HCl is added to 90.0 mL of the buffer solution in 2(a). Assume the change in volume is additive. c) What is the pH after 60.0 mL of 0.010 M Ca(OH)2 is added to 90.0 mL of the buffer solution in 2(a). Assume the change...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H2000 a) oxidation-reduction react...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H2000 a) oxidation-reduction reaction b) precipitation reaction c) single replacement d) acid-base neutralization reaction What is the volume of 0.1220 M HINO, solution required to completely neutralize 17.50 ml of 0.1211 M NaOH ? Reaction is: HNO, (aq) + NaOH(aq) - NaNO, (ng) + H. (A) a) 17.37 ml. b) 16.31 ml. c) 15.39 mL d) 17.84 mL 10. Which one of the following reactions is...
Help, please!
9) 25mL of 0.10M Zn(NO3)2 is added to 10. mL of 0.65M NaOH. Find Kc for: (See exp. 4 and dry lab/exp.6) Zn^2+ + 40H^--> Zn(OH)402- if pH of the solution is found to be 9.79
9) 25mL of 0.10M Zn(NO3)2 is added to 10. mL of 0.65M NaOH. Find Kc for: (See exp. 4 and dry lab/exp.6) Zn^2+ + 40H^--> Zn(OH)402- if pH of the solution is found to be 9.79
Use the solubility table to answer the following. You do not need to mix any chemicals. 1. Circle the following compounds if they will not dissolve completely or will form ppt in H a CaSO4 (s) Cu(IO3)2(s) AgNO3(s) Baco3 (s) Pb(NO3)2(s) Al(OH)3(s) 2. circle all of the following solutions that will form a precipitate with addition of Mg(IO3)2 aq) Ba (NO3)2(aq) Pb (NO3)2(aq) K2CO3 (aq) CuCl2(aq) NH40H (aq) ZnSO4(aq) 3. Circle all of the following solutions that will not form...
4. (3 pts) If 2.55 g of NaOH were added to a 100.0 mL solution containing 0.10 M Ca(NO3)2, what (Ca?') remains in solution? Is there complete precipitation of Ca(OH)2?
culate the molarity (M) of an unknown solution of hydrochlorie acid (HCT). This experiment similar to the one as done in the lab session.. The acid solution was titrated in a flask with a solution of NaOH added from the buret until the end point (light pink color in the flask) was seen. Followings are the data measured by a student. (3 points) Molarity (M) of NaOH (given) Volume of acid ( measured) in the flask Volume of NaOH required...
help
Ksp of Calcium Hydroxide Report Sheet Be sure to show your work for any calculations Data: A50 Mass of CaCl2 used Volume of NaOH used Molarity of NaOH used Filtrate pH 167 Saturated solution pH Ksp Calculated from the Saturated Ca(OH)2 solution Use the pH to calculate [OH] in the solution: 14-1 %o.a Complete the following ICE table: Ca(OH)2 (s) +2 OH (aq) Ca (aq) Initial Change Equilibrium Use the equilibrium concentrations to calculate Kg In this lab we...
Lab 7 - Determination of the Ksp of 2000 Calcium Hydroxide Name Madeline Cardu eve Section_02 Date Team Member(s) Data Part 1: Preparation of Dilute Hydrochloric Acid 1. Concentration of stock HCl solution: 100M 2. Concentration of diluted HCl solution: _0.0400 M (Hint: Use M Vı-M2V2) Show your work below. Part 2: Determination of Ksp for Ca(OH)2 at Room Temperature 1. Volume of Ca(OH), solution used: OML Part 3: Determination of K for Ca(OH), in Boiling Water Table 1: Calculations...
Cu(OH)2 can be obtained from the addition of excess NaOH solution to a solution of Cu(NO3)2 as shown in the figure. If the NaOH is added to 35.0 mL of 0.167 M Cu(NO3)2 and the precipitate isolated by filtration, what is the theoretical yield of Cu(OH)2? Cu(NO3)2 (aq) + 2 NaOH (aq) → Cu(OH)2 (s) + 2 NaNO3(aq) 0.4718 5858 1.10 g 0.570 g 1.14g
Please click the photo there are more questions
please click on the photo there are more questions
2. A solution is 0.10M in Mg(NO3)2. a. What concentration of OH is required to just start precipitation of Mg(OH)2? (Kap 1.5x101) b. If NH3/NH buffer is used to control the pH, and [NHs] 0.10 M, what concentration of NH is required to prevent the precipitation of Mg(OH)2? 3. Solid AgNOs is slowly added to a solution that is 0.001OM in NaCl, NaBr...
3) Kb for NH3 1.8 x 10-5 a) Calculate the pH of a buffer solution that is 0.100 M NH3 and 0.120 M NHANO3. b) What is the pH after 60.0 mL of 0.010 M HCl is added to 90.0 mL of the buffer solution in 2(a). Assume the change in volume is additive. c) What is the pH after 60.0 mL of 0.010 M Ca(OH)2 is added to 90.0 mL of the buffer solution in 2(a). Assume the change...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H2000 a) oxidation-reduction reaction b) precipitation reaction c) single replacement d) acid-base neutralization reaction What is the volume of 0.1220 M HINO, solution required to completely neutralize 17.50 ml of 0.1211 M NaOH ? Reaction is: HNO, (aq) + NaOH(aq) - NaNO, (ng) + H. (A) a) 17.37 ml. b) 16.31 ml. c) 15.39 mL d) 17.84 mL 10. Which one of the following reactions is...
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