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2. Which of the following bari0m salts hould dissolve in a A solution is prepared initially conta...
number three please
2. Which of the following bari0m salts hould dissolve in a A solution is prepared initially containing 0.050 M be the concentration of all ions after precipitation of PbEa 3. bNOa and 0.20 M NaF.What will A solution is made which is initially 0.10 M in Ca"2 and 1.0 [CdONH3)4]12 complex ion to form, as shown in the eq concentration of free Cd*2 ion in this solution. CHa42 4. Ca"2 and 1.0 M in NHs. This causes...
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?...
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? (Ksp = 1.5x10-11) b. If NH3/NH4+ buffer is used to control the pH, and [NH3] = 0.10 M, what concentration of NH4 is required to prevent the precipitation of Mg(OH)2?
The following anions can be separated by precipitation as silver salts: Cl, Br1. Cro, the four...
The following anions can be separated by precipitation as silver salts: Cl, Br1. Cro, the four anions, each at a concentration of 0.10 M, in what order would they TAg is added to a solution containing 18 x 10" Compound AGCI Ag, Cro AgBr Ag! 9.0 x 10 3.3 x 10." 1.5 x 10-15
please help me with these 2 questions A scientist adjusts the pH of a solution to...
please help me with these 2 questions
A scientist adjusts the pH of a solution to prevent the precipitation of solid Fe(OH)2 in an aqueous solution of 0.0010 M Fe(CIO3)2(aq). What is his target pH? Ksp, Fe(OH), = 1.8 x 10-15 5. Solid AgNO3 is added in tiny amounts to a 1.00-L solution containing 0.10 M NaCl, 0.10 M NaBr, and 0.10 M Nal. Given: Ksp.Agci" 1.6 x 10-10, Ksp.AgBr - 5.0 X 10-13. Kapagi - 15 10-16 Which silver...
2. The instructions for Solution IV describe the preparation of a buffer solution. a. Calculate t...
post lab questions?
2. The instructions for Solution IV describe the preparation of a buffer solution. a. Calculate the pH of this buffer solution if it has an equal concentration of NHs and NH4 b. Does this solution buffer in the acidic, basic, or nearly neutral pH range? Explain. c. Explain why it is necessary to provide a buffer solution at this point in the procedure. Solution IV Add 2 drops NH.CI solution and check the pH of the solution...
please explain how you got all your answers 20. Calculate the MOLAR SOLUBILITY of silver bromide...
please explain how you got all your answers
20. Calculate the MOLAR SOLUBILITY of silver bromide (Kp - 5.40 x 1013) in 1.0 M NH. Complex ion [Ag(NHs)2] can be formed (K, 1.70 x 10). Ag(NH,) (aq)+ Br' (aq) Overall Reaction: AgBr(s)+2 NH,(aq) 21. The pH of a 0.0412 M solution of a monoprotic acid is 1.39. Is this a STRONG ACID? a. Yes b. No c. Not enough information d. Unknown
1. a.* Should the equivalent of 0.01 M AgBr [K [K, for Ag(NH.7x10]? 5x10 dissolve in 6MNH, b. Wha...
Please show work w/ ICE tables.
1. a.* Should the equivalent of 0.01 M AgBr [K [K, for Ag(NH.7x10]? 5x10 dissolve in 6MNH, b. What is the minimum concentration of ammonia that should dissolve AgBr to produce a 0.01 M Ag(NH), solution? 2. What hydrogen ion concentration should be required to dissolve 0.10 M MgF2 if the Ksp for magnesium fluoride is 6.8x 10-9 and Ka for HF is 6.5x10
1. a.* Should the equivalent of 0.01 M AgBr [K...
1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2. 2) Exactly 0.133...
1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2. 2) Exactly 0.133 mg of AgBr will dissolve in 1.00 L of water. What is the value of Ksp for AgBr? 3) By experiment, it is found that 1.2 x 10-3 mol of lead (II) iodide, PbI2, dissolves in 1.0 L of water at 25°C. What is the Ksp at this temperature? 4) What is the molar solubility of silver chloride in 1.0 L of solution that...
all 5&6 5.) Solid silver bromide , AgBr, can be dissolved by adding concentrated aqueous ammonia to give the water- soluble silver-ammonia complex ion. AgBr(s) + 2NH,(aq) U Ag(NH), (aq) + Br(a...
all 5&6
5.) Solid silver bromide , AgBr, can be dissolved by adding concentrated aqueous ammonia to give the water- soluble silver-ammonia complex ion. AgBr(s) + 2NH,(aq) U Ag(NH), (aq) + Br(aq) (a) Show that this equation is the sum of two other equations, one representing the dissolution of AgBr into its component ions and the other representing the formation of the silver-ammonium complex from silver ion and ammonia (b) Calculate the equilibrium constant for the above reaction K,(AgBr) =...
Determine whether a precipitate form in the following reaction conditions: a. A solution containing lead (II)...
Determine whether a precipitate form in the following reaction conditions: a. A solution containing lead (II) nitrate is mixed with one containing sodium bromide to form a solution that is 0.0150 M in Pb(NO3)2 and 0.00350 M in NaBr. Does a precipitate form in the newly mixed solution? Ksp PbBr2 = 4.67 x 10-6 . b. A solution containing iron (II) nitrate is mixed with one containing sodium phosphate to form a solution that is 0.0365 M in Fe(NO3)2 and...
number three please
2. Which of the following bari0m salts hould dissolve in a A solution is prepared initially containing 0.050 M be the concentration of all ions after precipitation of PbEa 3. bNOa and 0.20 M NaF.What will A solution is made which is initially 0.10 M in Ca"2 and 1.0 [CdONH3)4]12 complex ion to form, as shown in the eq concentration of free Cd*2 ion in this solution. CHa42 4. Ca"2 and 1.0 M in NHs. This causes...
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? (Ksp = 1.5x10-11) b. If NH3/NH4+ buffer is used to control the pH, and [NH3] = 0.10 M, what concentration of NH4 is required to prevent the precipitation of Mg(OH)2?
The following anions can be separated by precipitation as silver salts: Cl, Br1. Cro, the four anions, each at a concentration of 0.10 M, in what order would they TAg is added to a solution containing 18 x 10" Compound AGCI Ag, Cro AgBr Ag! 9.0 x 10 3.3 x 10." 1.5 x 10-15
please help me with these 2 questions
A scientist adjusts the pH of a solution to prevent the precipitation of solid Fe(OH)2 in an aqueous solution of 0.0010 M Fe(CIO3)2(aq). What is his target pH? Ksp, Fe(OH), = 1.8 x 10-15 5. Solid AgNO3 is added in tiny amounts to a 1.00-L solution containing 0.10 M NaCl, 0.10 M NaBr, and 0.10 M Nal. Given: Ksp.Agci" 1.6 x 10-10, Ksp.AgBr - 5.0 X 10-13. Kapagi - 15 10-16 Which silver...
post lab questions?
2. The instructions for Solution IV describe the preparation of a buffer solution. a. Calculate the pH of this buffer solution if it has an equal concentration of NHs and NH4 b. Does this solution buffer in the acidic, basic, or nearly neutral pH range? Explain. c. Explain why it is necessary to provide a buffer solution at this point in the procedure. Solution IV Add 2 drops NH.CI solution and check the pH of the solution...
please explain how you got all your answers
20. Calculate the MOLAR SOLUBILITY of silver bromide (Kp - 5.40 x 1013) in 1.0 M NH. Complex ion [Ag(NHs)2] can be formed (K, 1.70 x 10). Ag(NH,) (aq)+ Br' (aq) Overall Reaction: AgBr(s)+2 NH,(aq) 21. The pH of a 0.0412 M solution of a monoprotic acid is 1.39. Is this a STRONG ACID? a. Yes b. No c. Not enough information d. Unknown
Please show work w/ ICE tables.
1. a.* Should the equivalent of 0.01 M AgBr [K [K, for Ag(NH.7x10]? 5x10 dissolve in 6MNH, b. What is the minimum concentration of ammonia that should dissolve AgBr to produce a 0.01 M Ag(NH), solution? 2. What hydrogen ion concentration should be required to dissolve 0.10 M MgF2 if the Ksp for magnesium fluoride is 6.8x 10-9 and Ka for HF is 6.5x10
1. a.* Should the equivalent of 0.01 M AgBr [K...
all 5&6
5.) Solid silver bromide , AgBr, can be dissolved by adding concentrated aqueous ammonia to give the water- soluble silver-ammonia complex ion. AgBr(s) + 2NH,(aq) U Ag(NH), (aq) + Br(aq) (a) Show that this equation is the sum of two other equations, one representing the dissolution of AgBr into its component ions and the other representing the formation of the silver-ammonium complex from silver ion and ammonia (b) Calculate the equilibrium constant for the above reaction K,(AgBr) =...
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