need help with the last one please. I cant get number 6
Homework Answers
Option c. Decrease the pH. By adding free H + protons, they react with OH- ions that are in excess, allowing others to dissolve.
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need help with the last one please. I cant
get number 6
u. Agbiz 5. Calculate...
Hello, I need help with thisquestion (the one that asks for PH) with step explanation. Many...
Hello, I need help with thisquestion (the one that asks for
PH)
with step explanation.
Many thanks!
(awnser is A)
H2S+ S2 What is the pH of a saturated solution of Mg(OH)2 at 25 oC, given that Ksp for Mg(OH)2 8.9 x 10-12 at this temperature? 10.4 10.7 10.1 8.63 none of these hat is the solubility in mol Lt of siver carbonate in pure water? Ksp 8.50 x 10" for Ag2CO3
Need help with question 14 and 15 please: 14.6.5 pts.) A lump of silver carbonate, Ag2CO3,...
Need help with question 14 and 15 please:
14.6.5 pts.) A lump of silver carbonate, Ag2CO3, was placed in 450.0 mL of pure water. The Ksp for the dissolution of Ag2CO3.is 8.46 x 10-12 M3 and is described by: Ag2CO3 (s) + 2 Ag+ (aq) + CO32- (aq) After a length of time the equilibrium concentration of Ag+ ion in this solution would be: (a) 1.30 x 10-3 M (belwel7 x 10-3 M (c) 1.30 x 10-4 M (d) 2.57...
1. Using Table 38.3 in the Voyce text, calculate the solubility of Manganese(II) hydroxide at 25oC...
1.
Using Table 38.3 in the Voyce text, calculate the solubility of
Manganese(II) hydroxide at 25oC
A.
5.7 x 10-5
B.
3.6 x 10-5
C.
4.4 x 10-7
2.
The pH of a 0.0147M KCN solution is:
A.
10.7
B.
5.52
C.
3.3
D.
8.48
3.
The pH of a buffer solution composed of 0.020M HCHO2
and 0.014M NaCHO2 is:
A.
3.59
B.
3.74
C.
3.90
4.
When 400ml of a 0.01M SnCl2 solution is mixed with a
300ml if...
The solubility of PbBr_2 is 0.427 g per 100 mL of solution at 25 degree C....
The solubility of PbBr_2 is 0.427 g per 100 mL of solution at 25 degree C. Determine the value of the solubility product constant for this strong electrolyte. Lead(II) bromide does not react with water. 5.4 times 10^-4 6.3 times 10^-6 1.6 times 10^-6 3.1 times 10^-6 2.7 times 10^-4 Calculate the maximum concentration (in M) of silver ions (Ag^+) in a solution that contains 0.025 M of CO^2-_3. The K_sp of Ag_2 CO_3 is 8.1 times 10^-12. 8.1 times...
HELP PLEASE 5 – Calculate the concentrations of H+, HCO3- and CO32- in a 0.025 M...
HELP PLEASE 5 – Calculate the concentrations of H+, HCO3- and CO32- in a 0.025 M H2CO3 solution. 6 – Classify the following as a Lewis acid, Lewis base, both or neither:CO2, H2O, I-, SO2, NH3, OH-, H+, BCl37 – 7-Calculate the pH of a solution that is 0.20 M NH3 and 0.30 M NH4Cl.8 – 8-The pH of blood plasma is 7.40. Assuming the principal buffer system is HCO3-/H2CO3, calculate the ratio [HCO3-]/[H2CO3] . 9 – A 0.2688 g...
1.. A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate...
1.. A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate the pH after the addition of 29.0 mL of NaOH. 2. A saturated solution of magnesium fluoride, MgF2, was prepared by dissolving solid MgF2 in water. The concentration of Mg2+ ion in the solution was found to be 1.18×10−3 M . Calculate Ksp for MgF2. 3. The value of Ksp for silver carbonate, Ag2CO3, is 8.10×10−12. Calculate the solubility of Ag2CO3 in grams per...
5. Calculate the pH of buffer formed by mixing 85 mL of 0.12 M lactic acid...
5. Calculate the pH of buffer formed by mixing 85 mL of 0.12 M lactic acid with 95 mL of 0.16 M sodium lactate (K, for lactic acid is 1.4 x 10-) a. 3.77 b) 4.03 ) 3.56 d) 4.23 e) 3.66 6. 18 2.5mL of 0.30M AgNO3 is mixed with 7.5mL of 0.015M Na2SO4, should a precipitate of Ag2SO4 form? (Ksp - 1.2x10-5 a) Q - Ksp the system is at equilibrium and the solution is saturated b) Q<Ksp,...
please i need help with these questions.. thanks so much 5. When 25mL of a 1.5E-4M...
please i need help with these questions.. thanks so much
5. When 25mL of a 1.5E-4M solution of barium chloride solution is added to 50mL of a 3.2E-6 M silver (I) nitrate solution docs a precipitate appear? Ksp= 1.8E-10 6. The max amount of silver (I) chromate that will dissolve in .156M potassium chromate is what? Ksp 9E-122
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...
help! [Review Topica] [References) Use the References to access important values if needed for this question....
help!
[Review Topica] [References) Use the References to access important values if needed for this question. The maximum amount of iron(II) carbonate that will dissolve in a 0.293 M sodium carbonate solution is M. Submit Answer Retry Entire Group 9 more group attempts remaining Ote- e * @NN Solubility Product Constants (Ksp at 25 °C) Ksp Type Bromides Formula PbBr2 6.3 x 10-6 AgBr 3.3 * 10-13 Carbonates BaCO3 8.1 * 109 CaCO3 3.8 x 10 COCO3 8.0 * 10-13...
Hello, I need help with thisquestion (the one that asks for
PH)
with step explanation.
Many thanks!
(awnser is A)
H2S+ S2 What is the pH of a saturated solution of Mg(OH)2 at 25 oC, given that Ksp for Mg(OH)2 8.9 x 10-12 at this temperature? 10.4 10.7 10.1 8.63 none of these hat is the solubility in mol Lt of siver carbonate in pure water? Ksp 8.50 x 10" for Ag2CO3
Need help with question 14 and 15 please:
14.6.5 pts.) A lump of silver carbonate, Ag2CO3, was placed in 450.0 mL of pure water. The Ksp for the dissolution of Ag2CO3.is 8.46 x 10-12 M3 and is described by: Ag2CO3 (s) + 2 Ag+ (aq) + CO32- (aq) After a length of time the equilibrium concentration of Ag+ ion in this solution would be: (a) 1.30 x 10-3 M (belwel7 x 10-3 M (c) 1.30 x 10-4 M (d) 2.57...
1.
Using Table 38.3 in the Voyce text, calculate the solubility of
Manganese(II) hydroxide at 25oC
A.
5.7 x 10-5
B.
3.6 x 10-5
C.
4.4 x 10-7
2.
The pH of a 0.0147M KCN solution is:
A.
10.7
B.
5.52
C.
3.3
D.
8.48
3.
The pH of a buffer solution composed of 0.020M HCHO2
and 0.014M NaCHO2 is:
A.
3.59
B.
3.74
C.
3.90
4.
When 400ml of a 0.01M SnCl2 solution is mixed with a
300ml if...
The solubility of PbBr_2 is 0.427 g per 100 mL of solution at 25 degree C. Determine the value of the solubility product constant for this strong electrolyte. Lead(II) bromide does not react with water. 5.4 times 10^-4 6.3 times 10^-6 1.6 times 10^-6 3.1 times 10^-6 2.7 times 10^-4 Calculate the maximum concentration (in M) of silver ions (Ag^+) in a solution that contains 0.025 M of CO^2-_3. The K_sp of Ag_2 CO_3 is 8.1 times 10^-12. 8.1 times...
5. Calculate the pH of buffer formed by mixing 85 mL of 0.12 M lactic acid with 95 mL of 0.16 M sodium lactate (K, for lactic acid is 1.4 x 10-) a. 3.77 b) 4.03 ) 3.56 d) 4.23 e) 3.66 6. 18 2.5mL of 0.30M AgNO3 is mixed with 7.5mL of 0.015M Na2SO4, should a precipitate of Ag2SO4 form? (Ksp - 1.2x10-5 a) Q - Ksp the system is at equilibrium and the solution is saturated b) Q<Ksp,...
please i need help with these questions.. thanks so much
5. When 25mL of a 1.5E-4M solution of barium chloride solution is added to 50mL of a 3.2E-6 M silver (I) nitrate solution docs a precipitate appear? Ksp= 1.8E-10 6. The max amount of silver (I) chromate that will dissolve in .156M potassium chromate is what? Ksp 9E-122
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...
help!
[Review Topica] [References) Use the References to access important values if needed for this question. The maximum amount of iron(II) carbonate that will dissolve in a 0.293 M sodium carbonate solution is M. Submit Answer Retry Entire Group 9 more group attempts remaining Ote- e * @NN Solubility Product Constants (Ksp at 25 °C) Ksp Type Bromides Formula PbBr2 6.3 x 10-6 AgBr 3.3 * 10-13 Carbonates BaCO3 8.1 * 109 CaCO3 3.8 x 10 COCO3 8.0 * 10-13...
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