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Determine the quantity of sodium acetate (CHCOONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH,COOH is 1.8 x 10°. Complete Parts 1-3 before submitting your answer. NEXT dium acetate (CH,COONa) is added to an existing 500.0 mL solution of 0.200 M CH,COOH to form a buffer with a pH ual to 5.000. Let x represent the concentration of CH,COO in the water after the addition of CH,COONa. Fill in the ICE le with the appropriate value for each involved species to determine concentrations of all reactants and products. CH,COOH(aq) + H,O-(aq) CH,COO (aq) nitial (M) Change (M) quilibrium (M) 0.200 H,O(1) 5.00 pe -5.00 1.0 x 10 RESET -1.0 10 Determine the quantity of sodium acetate (CH,COONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH,COOH is 1.8 x 10°. Complete Parts 1-3 before submitting your answer. < PREV NEXT Based on your ICE table (Part 1) and the definition of Ka, set up the expression for Ka in order to determine the unknow Each reaction participant must be represented by one tile. Do not combine terms. [0] [500.0] K₁ = [0.200] [5.00] = 1.8 x 10 [1.0 × 10% [1.0×10% (1.8 × 10%) un RESET [x+ 5.001

Determine the quantity of sodium acetate (CHCOONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH,COOH is 1.8 x 10°. Complete Parts 1-3 before submitting your answer. NEXT dium acetate (CH,COONa) is added to an existing 500.0 mL solution of 0.200 M CH,COOH to form a buffer with a pH ual to 5.000. Let x represent the concentration of CH,COO in the water after the addition of CH,COONa. Fill in the ICE le with the appropriate value for each involved species to determine concentrations of all reactants and products. CH,COOH(aq) + H,O-(aq) CH,COO (aq) nitial (M) Change (M) quilibrium (M) 0.200 H,O(1) 5.00 pe -5.00 1.0 x 10 RESET -1.0 10 Determine the quantity of sodium acetate (CH,COONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH,COOH is 1.8 x 10°. Complete Parts 1-3 before submitting your answer. < PREV NEXT Based on your ICE table (Part 1) and the definition of Ka, set up the expression for Ka in order to determine the unknow Each reaction participant must be represented by one tile. Do not combine terms. [0] [500.0] K₁ = [0.200] [5.00] = 1.8 x 10 [1.0 × 10% [1.0×10% (1.8 × 10%) un RESET [x+ 5.001

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.65PAE
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Determine the quantity of sodium acetate (CHCOONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH,COOH is 1.8 x 10°. Complete Parts 1-3 before submitting your answer. NEXT > Sodium acetate (CHCOONa) is added to an existing 500.0 mL solution of 0.200 M CH₂COOH to form a buffer with a pH equal to 5.000. Let x represent the concentration of CH,COO in the water after the addition of CH,COONa. Fill in the ICE table with the appropriate value for each involved species to determine concentrations of all reactants and products. CH,COOH(aq) Initial (M) Change (M) Equilibrium (M) + x 0.200 Н.О(1) 1.0 × 10 -1.0 × 10° 1.8 x 10° x x+1.0×10-x-1.0 10-18 10-x-18 10-1 -1.8 x 10 5.00 x + 5.00 -5.00 HO(aq) 1.0*10* + CH,COO (aq) RESET -1.0 x 10° x-5.00 x+ 10×10-x-1.0×10-* Determine the quantity of sodium acetate (CH,COONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH₂COOH is 1.8 x 10°. Complete Parts 1-3 before submitting your answer. < PREV 3 NEXT > Based on your ICE table (Part 1) and the definition of Ka, set up the expression for Ka in order to determine the unknown. Each reaction participant must be represented by one tile. Do not combine terms. [0] [x - 5.00] [500.0] [x+1.0 x 10- Ka = [0.200] [x-1.0*10-11 [5.00] +1.0×10 [1.0 x 10"] = 1.8 x 10 [1.0 x 10"] [1.8 x 10"] x-1.0 x 10-x+1.8x10-x-1.8 × 10- RESET [x+ 5.00]
Transcribed Image Text:Determine the quantity of sodium acetate (CHCOONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH,COOH is 1.8 x 10°. Complete Parts 1-3 before submitting your answer. NEXT > Sodium acetate (CHCOONa) is added to an existing 500.0 mL solution of 0.200 M CH₂COOH to form a buffer with a pH equal to 5.000. Let x represent the concentration of CH,COO in the water after the addition of CH,COONa. Fill in the ICE table with the appropriate value for each involved species to determine concentrations of all reactants and products. CH,COOH(aq) Initial (M) Change (M) Equilibrium (M) + x 0.200 Н.О(1) 1.0 × 10 -1.0 × 10° 1.8 x 10° x x+1.0×10-x-1.0 10-18 10-x-18 10-1 -1.8 x 10 5.00 x + 5.00 -5.00 HO(aq) 1.0*10* + CH,COO (aq) RESET -1.0 x 10° x-5.00 x+ 10×10-x-1.0×10-* Determine the quantity of sodium acetate (CH,COONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH₂COOH is 1.8 x 10°. Complete Parts 1-3 before submitting your answer. < PREV 3 NEXT > Based on your ICE table (Part 1) and the definition of Ka, set up the expression for Ka in order to determine the unknown. Each reaction participant must be represented by one tile. Do not combine terms. [0] [x - 5.00] [500.0] [x+1.0 x 10- Ka = [0.200] [x-1.0*10-11 [5.00] +1.0×10 [1.0 x 10"] = 1.8 x 10 [1.0 x 10"] [1.8 x 10"] x-1.0 x 10-x+1.8x10-x-1.8 × 10- RESET [x+ 5.00]
Determine the quantity of sodium acetate (CH₂COONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH₂COOH is 1.8 x 105. Complete Parts 1-3 before submitting your answer. < 1 Based on your ICE table (Part 1) and the equilibrium expression, Ka (Part 2), determine the original mass of solid CH₂COONa added to create this buffer solution. PREV 0 3.6 × 10³ 0.360 5.9 x 10³ 30 MNACH,COO 4.3 x 10³ 21 2 = 43 g 11 3 15 RESET 59
Transcribed Image Text:Determine the quantity of sodium acetate (CH₂COONa) needed to create buffer solution at a particular pH. Do this by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the mass of starting material required. The value of Ka for CH₂COOH is 1.8 x 105. Complete Parts 1-3 before submitting your answer. < 1 Based on your ICE table (Part 1) and the equilibrium expression, Ka (Part 2), determine the original mass of solid CH₂COONa added to create this buffer solution. PREV 0 3.6 × 10³ 0.360 5.9 x 10³ 30 MNACH,COO 4.3 x 10³ 21 2 = 43 g 11 3 15 RESET 59
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