Question

A buffer is made by adding 0.600 mol CH3COOH (acetic acid) and 0.600 mol CH3COONa (sodium...

A buffer is made by adding 0.600 mol CH3COOH (acetic acid) and 0.600 mol CH3COONa (sodium acetate) to enough water to make 4L of solution. The pKa of the buffer is 4.74. Calculate the pH of solution after 0.035 mol of NaOH is added. (Assume the volume doesn’t change.)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A buffer is made by adding 0.300 mol of CH3COOH and 0.300 mol of CH3COONa to...
A buffer is made by adding 0.300 mol of CH3COOH and 0.300 mol of CH3COONa to enough water to make 1.000 L of solution. The pH of the buffer is 4.74. (a) Calculate the pH of this solution after 5.00 mL of 4.0 M NaOH (aq) solution is added. Write out the balanced equation for the reaction. (b) For a comparison, calculate the pH of a solution made by adding 5.0 mL of 4.0 M NaOH (aq) solution to 1.000...
Consider a buffer solution made of 0.255 M acetic acid, CH3COOH, and 0.165 M sodium acetate,...
Consider a buffer solution made of 0.255 M acetic acid, CH3COOH, and 0.165 M sodium acetate, CH3COONa. Ka(CH3COOH) = 1.8×10-5. After addition of 0.040 moles of NaOH to 1.0 L of this buffer, the pH becomes [X].  Fill in the blank. Show the number only. Report with 2 digits after the decimal point.
calculate the pH of a buffer solution prepared with 500 mg/L acetic acid (Ch3COOH; pKa=4.74) and...
calculate the pH of a buffer solution prepared with 500 mg/L acetic acid (Ch3COOH; pKa=4.74) and 200 mg/L sodium acetate (NaCH3COO) under the following conditions: a) initially b) after 20 mg/L of HCl is added c) after 20 mg/L of NaOH is added
A buffer composed of 0.50 mol acetic acid (HC2H3O2) and 0.50 mol sodium acetate (Na+C2H3O2-) is...
A buffer composed of 0.50 mol acetic acid (HC2H3O2) and 0.50 mol sodium acetate (Na+C2H3O2-) is diluted to a volume of 1.0 liter. The pH of the buffer is 4.74. How many moles of NaOH must be added to the buffer to raise its pH to 5.74? A. 0.25 mol B. 0.41 mol C. 0.50 mol D. 0.55 mol E. 0.49 mol
For a buffer made from sodium acetate and acetic acid, the Ka of acetic acid is...
For a buffer made from sodium acetate and acetic acid, the Ka of acetic acid is 1.8E-5. What mass of sodium acetate (NaCH3CO2) must be added to 2.50 L of 0.60 M acetic acid to make a buffer solution with pH = 5.75?
A buffer is prepared by adding 23.0 g of sodium acetate (CH3COONa) to 510 mL of...
A buffer is prepared by adding 23.0 g of sodium acetate (CH3COONa) to 510 mL of a 0.145 Macetic acid (CH3COOH) solution. Determine the pH of the buffer. Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer. Write the complete ionic equation for the reaction that occurs when a few drops of sodium hydroxide solution are added to the buffer.
A 1.936 L buffer solution is 0.581 M in acetic acid and 0.581 M in sodium...
A 1.936 L buffer solution is 0.581 M in acetic acid and 0.581 M in sodium acetate. Acetic acid has a pKa of 4.74, making the pH of this solution 4.74. What is the pH after addition of 0.083 mol of HCl?
A buffer is prepared by adding 22.0 g of sodium acetate (CH3COONa) to 520 mL of...
A buffer is prepared by adding 22.0 g of sodium acetate (CH3COONa) to 520 mL of a 0.155 Macetic acid (CH3COOH) solution. A)Determine the ph of the buffer. B)Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer. C)Write the complete ionic equation for the reaction that occurs when a few drops of sodium hydroxide solution are added to the buffer.
Consider a buffer made of acetic acid CH3COOH and its conjugate base CH3COONa with a pH...
Consider a buffer made of acetic acid CH3COOH and its conjugate base CH3COONa with a pH of 4.60. (Ka of CH3COOH is 1.8 x 10–5) (a) Calculate the log needed to produce a buffer with a pH of 4.60 (1 point) (b) Calculate the needed to produce a buffer with a pH of 4.60. (1 point)
1. A buffer is made by mixing 1.250 mol formic acid, HCOOH, with 0.750 mol sodium...
1. A buffer is made by mixing 1.250 mol formic acid, HCOOH, with 0.750 mol sodium formate, HCOONa in enough water for a total volume of 1.00L. The Ka of formic acid is 1.87 x 10-4 a. What is the pH of this buffer? b. If 0.075 mol HCl is added to this buffer, what is the pH of the resulting buffer? (assume no volume changes) c. If 0.055 mol NaOH is added to this buffer, what is the pH...