▼ Y Part A Calculate the pH of 0.327 L of a 0.17 M acetic acid - 0.34 M sodium acetate buffer before (pH₁) and after (pH₂) the addition of 0.0059 mol of KOH. Assume that the volume remains constant. (K₁ of acitic acid is 1.8.10-5) Express your answers using three significant figures separated by commas. pHi. pHạ Submit Part B pHi. pHạ = Π| ΑΣΦ Submit Request Answer Calculate the pH of 0.327 L of a 0.17 M acetic acid -0.34 M sodium acetate buffer before (pH₁) and after (pH₂) the addition of 0.0059 mol of HBr. Assume that the volume remains constant. (Ka of acetic acid is 1.8.10-) Express your answers using three significant figures separated by commas. IVE ΑΣΦ 4 Request Answer ? 4
▼ Y Part A Calculate the pH of 0.327 L of a 0.17 M acetic acid - 0.34 M sodium acetate buffer before (pH₁) and after (pH₂) the addition of 0.0059 mol of KOH. Assume that the volume remains constant. (K₁ of acitic acid is 1.8.10-5) Express your answers using three significant figures separated by commas. pHi. pHạ Submit Part B pHi. pHạ = Π| ΑΣΦ Submit Request Answer Calculate the pH of 0.327 L of a 0.17 M acetic acid -0.34 M sodium acetate buffer before (pH₁) and after (pH₂) the addition of 0.0059 mol of HBr. Assume that the volume remains constant. (Ka of acetic acid is 1.8.10-) Express your answers using three significant figures separated by commas. IVE ΑΣΦ 4 Request Answer ? 4
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Problem 15.67
▼ Part A
Calculate the pH of 0.327 L of a 0.17 M acetic acid - 0.34 M sodium acetate buffer before (pH₁) and after (pH₂) the addition of 0.0059 mol of KOH. Assume that the volume remains constant. (Ka of acitic acid is
1.8.10-5)
Express your answers using three significant figures separated by commas.
pHı. pH_ =
Submit
Part B
pHi. pHạ =
195| ΑΣΦ
Submit
Request Answer
Calculate the pH of 0.327 L of a 0.17 M acetic acid - 0.34 M sodium acetate buffer before (pH₁) and after (pH₂) the addition of 0.0059 mol of HBr. Assume that the volume remains constant. (Ka of acetic acid is
1.8.10-5)
Express your answers using three significant figures separated by commas.
ΤΙ ΑΣΦ
?
Request Answer
11 of 13
?
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Step 1: Determine the pH of the solution after and before added KOH and HBr to the buffer:
VIEWStep 2: a. Calculation for pH1 before add any base ( KOH) :
VIEWStep 3: Calculation for pH2 after add strong base ( KOH ):
VIEWStep 4: b . Calculation for pH1 before added any acid ( HBr ):
VIEWStep 5: Calculation for pH2 after added strong acid ( HBr ) :
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