Homework Answers
![. [H+9 = 2.23 x 10-15 or. [+] = 9.726 x 10-8 (M) Thus; met concentration of H+ , [ff] is : [H2,0 = BOB 4600X10-5 + 0.726x10-8](http://img.homeworklib.com/questions/0f5df300-7273-11ea-a738-d927fca62dba.png?x-oss-process=image/resize,w_560)
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The solubility of Co, in water at 25 °C and 0.1 atm is 0.0037 M. The...
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO_2. Dissolved CO_2...
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO_2. Dissolved CO_2 satisfies the equilibrium equation CO_2(g) CO_2(aq) K=0.032 M atm^-1 The acid dissociation constants listed in most standard reference texts for carbonic acid actually apply to dissolved CO_2. For a CO_2 partial pressure of 7.1x10^-4 atm in the atmosphere, what is the pH of water in equilibrium with the atmosphere?
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissol...
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the equilibrium equation. CO2 (g) <--> CO2 (aq) K= 0.032 M atm-1 The acid dissociation constants listed in most standard reference texts for carbonic acid actually apply to dissolved CO2. For a CO2 partial pressure of 8.8×10-4 atm in the atmosphere, what is the pH of water in equilibrium with the atmosphere?
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2...
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the equilibrium equation CO2(gas)<------>CO2(aq) K=0.032 M*atm-1 The acid dissociation constants listed in most standard reference texts for carbonic acid actually apply to dissolved CO2. For a CO2 partial pressure of 3.1×10-4 atm in the atmosphere, what is the pH of water in equilibrium with the atmosphere?
c) Calculate the pH if 95 ml of 10.0M HC (ag) is added to 200.0 ml...
c) Calculate the pH if 95 ml of 10.0M HC (ag) is added to 200.0 ml of this buffer. For full creds, show your work in detail. (4) aj Calculate the pH if 9.5 mL of 10.0 M NaOH (ag) is added to 200.0 mL ofa freshly prepared solution of this buffer. For full credit, show your work in detail (4) e) You should see from the calculations that this buffer is better able to buffer against added acid than...
C innya putter resists changes m per caused by the addition of Her OH. 3) Blood...
C innya putter resists changes m per caused by the addition of Her OH. 3) Blood is buffered mainly by the HCO; -- H2CO, system (K, H.CO; = 4.4 x 10'). The normal pH of blood is 7.40. a) What is the ratio [H.CO.J/[HCO )? b) What does the pH become if 10% of the HCO, ions are converted to H.CO.? c) What does the pH become if 10% of the H.CO, molecules are converted to HCOS? Recall, H2CO, is...
Tutored Practice Problem 17.3.5 COUNTS TOWAIDA CHEE Calculate the pH and concentration of species present in...
Tutored Practice Problem 17.3.5 COUNTS TOWAIDA CHEE Calculate the pH and concentration of species present in a polyprotic acid solution. Close Problem For a 5.96X10 M solution of H2CO3, calculate both the pH and the Co, ion concentration. H2CO3 + H20= HCO3 + H20= H20* + HCO3 K1 = 4.2*10-7 H30* +CO;2- K2 -4.810-11 pH (CO3? Check & Submit Answer Show Approach Polyprotic Acid Titration Plots The pH plot for the titration of the diprotic acid maleic acid, HOC(CH), CO,H,...
Write the chemical equation for the reaction of carbonic acid (H.CO) with water. chemical equation: What...
Write the chemical equation for the reaction of carbonic acid (H.CO) with water. chemical equation: What is the acid dissociation constant expression (acidity constant expression) for this reaction? K, K. K = [HC01 TH.CO,1 111,00,1 THCO, HI ICO, 1H,OP TH,CO,1 [HCO ||H,0*] TH,CO, THCOIH,091 H CÔ || 0 TH,CO,1 Інсо; | K K. OK,
Atmospheric CO2 (g) is in equilibrium with dissolved CO, (aq), CO2(g) CO2 (aq) CO: (aq) then can react with water t...
Atmospheric CO2 (g) is in equilibrium with dissolved CO, (aq), CO2(g) CO2 (aq) CO: (aq) then can react with water to become H_CO. CO2 (aq) + H:0 (1) ~ HCO, (aq) (2) Add the two reactions together and determine the overall net reaction. If the K, for reaction (1) is 1.44 x 10-4 and for reaction (2) the K is 1.90 x 10-2, then what would the K, for the overall net reaction be? Explain. Increasing CO, (g) would have...
16. Each of three beakers contains 25.0 mL of 0.100 M solution at 25°C. Beaker 1...
16. Each of three beakers contains 25.0 mL of 0.100 M solution at 25°C. Beaker 1 Beaker 2 Beaker 3 0.10 M NaOH 0.10 M NaHCO3 0.10 M H2CO3 a. Determine the pH of the solution in beaker 1. Justify your answer. b. In beaker 2, the reaction HCO, (aq) + H2O(1) = H,CO, (aq) + OH(aq) occurs. The value of K, for HCO, (aq) is 2.3x108 at 25°C. i. Write the K, expression for the reaction of HCO, (aq)...
please explain how you got all your answers 15. H.00,(aq) + H,0(I) <-> HCO3(aq) + H,0*...
please explain how you got all your answers
15. H.00,(aq) + H,0(I) <-> HCO3(aq) + H,0* (aq) HCO, (aq) + H, O) <->CO (aq) + HBO (aq) According to the equations above, what is the CONJUGATE ACID of HCO,? a. H2CO3(aq) b. H2O(1) 6. H2O*(aq) d. cosº (aq) 16. A flask contains the following chemical system at EQUILIBRIUM. CUCO,(s) - Cu(aq) + 200 (aq) Addition of which of the following substances will increase the solubility of Cucos(s) in water? 1....
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO_2. Dissolved CO_2 satisfies the equilibrium equation CO_2(g) CO_2(aq) K=0.032 M atm^-1 The acid dissociation constants listed in most standard reference texts for carbonic acid actually apply to dissolved CO_2. For a CO_2 partial pressure of 7.1x10^-4 atm in the atmosphere, what is the pH of water in equilibrium with the atmosphere?
c) Calculate the pH if 95 ml of 10.0M HC (ag) is added to 200.0 ml of this buffer. For full creds, show your work in detail. (4) aj Calculate the pH if 9.5 mL of 10.0 M NaOH (ag) is added to 200.0 mL ofa freshly prepared solution of this buffer. For full credit, show your work in detail (4) e) You should see from the calculations that this buffer is better able to buffer against added acid than...
C innya putter resists changes m per caused by the addition of Her OH. 3) Blood is buffered mainly by the HCO; -- H2CO, system (K, H.CO; = 4.4 x 10'). The normal pH of blood is 7.40. a) What is the ratio [H.CO.J/[HCO )? b) What does the pH become if 10% of the HCO, ions are converted to H.CO.? c) What does the pH become if 10% of the H.CO, molecules are converted to HCOS? Recall, H2CO, is...
Tutored Practice Problem 17.3.5 COUNTS TOWAIDA CHEE Calculate the pH and concentration of species present in a polyprotic acid solution. Close Problem For a 5.96X10 M solution of H2CO3, calculate both the pH and the Co, ion concentration. H2CO3 + H20= HCO3 + H20= H20* + HCO3 K1 = 4.2*10-7 H30* +CO;2- K2 -4.810-11 pH (CO3? Check & Submit Answer Show Approach Polyprotic Acid Titration Plots The pH plot for the titration of the diprotic acid maleic acid, HOC(CH), CO,H,...
Write the chemical equation for the reaction of carbonic acid (H.CO) with water. chemical equation: What is the acid dissociation constant expression (acidity constant expression) for this reaction? K, K. K = [HC01 TH.CO,1 111,00,1 THCO, HI ICO, 1H,OP TH,CO,1 [HCO ||H,0*] TH,CO, THCOIH,091 H CÔ || 0 TH,CO,1 Інсо; | K K. OK,
Atmospheric CO2 (g) is in equilibrium with dissolved CO, (aq), CO2(g) CO2 (aq) CO: (aq) then can react with water to become H_CO. CO2 (aq) + H:0 (1) ~ HCO, (aq) (2) Add the two reactions together and determine the overall net reaction. If the K, for reaction (1) is 1.44 x 10-4 and for reaction (2) the K is 1.90 x 10-2, then what would the K, for the overall net reaction be? Explain. Increasing CO, (g) would have...
16. Each of three beakers contains 25.0 mL of 0.100 M solution at 25°C. Beaker 1 Beaker 2 Beaker 3 0.10 M NaOH 0.10 M NaHCO3 0.10 M H2CO3 a. Determine the pH of the solution in beaker 1. Justify your answer. b. In beaker 2, the reaction HCO, (aq) + H2O(1) = H,CO, (aq) + OH(aq) occurs. The value of K, for HCO, (aq) is 2.3x108 at 25°C. i. Write the K, expression for the reaction of HCO, (aq)...
please explain how you got all your answers
15. H.00,(aq) + H,0(I) <-> HCO3(aq) + H,0* (aq) HCO, (aq) + H, O) <->CO (aq) + HBO (aq) According to the equations above, what is the CONJUGATE ACID of HCO,? a. H2CO3(aq) b. H2O(1) 6. H2O*(aq) d. cosº (aq) 16. A flask contains the following chemical system at EQUILIBRIUM. CUCO,(s) - Cu(aq) + 200 (aq) Addition of which of the following substances will increase the solubility of Cucos(s) in water? 1....
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