You are asked to prepare 500. mL of a 0.200 M acetate buffer at pH 5.10...

You are asked to prepare 500. mL of a 0.200 M acetate buffer at pH 5.10 using only pure acetic acid (MW=60.05 g/mol, pKa=4.76), 3.00 M NaOH, and water. Answer the following questions regarding the preparation of the buffer. What volume of 3.00 M NaOH must you add to the acetic acid to achieve a buffer with a pH of 5.10 at a final volume of 500 mL?

Expert Solution

queen_honey_blossom answered 2 years ago

You are asked to prepare 500. mL of a 0.150 M acetate buffer at pH 4.90...

You are asked to prepare 500. mL of a 0.150 M acetate buffer at pH 4.90 using only pure acetic acid (MW=60.05 g/mol, pKa=4.76), 3.00 M NaOH, and water. Answer the following questions regarding the preparation of the buffer. 2. What volume of 3.00 M NaOH must you add to the acetic acid to achieve a buffer with a pH of 4.90 at a final volume of 500 mL? (Ignore activity coefficients.) Answer is not 14.5

You are asked to prepare 500. mL of a 0.250 M acetate buffer at pH 4.90...

You are asked to prepare 500. mL of a 0.250 M acetate buffer at pH 4.90 using only pure acetic acid (MW=60.05 g/mol, pKa=4.76), 3.00 M NaOH, and water. Answer the following questions regarding the preparation of the buffer. 1. How many grams of acetic acid will you need to prepare the 500 mL buffer? Note that the given concentration of acetate refers to the concentration of all acetate species in solution. 2. What volume of 3.00 M NaOH must...

You are asked to prepare 500. mL of a 0.300 M acetate buffer at pH 4.90...

You are asked to prepare 500. mL of a 0.300 M acetate buffer at pH 4.90 using only pure acetic acid (MW=60.05 g/mol, pKa=4.76), 3.00 M NaOH, and water. Answer the following questions regarding the preparation of the buffer. What volume of 3.00 M NaOH must you add to the acetic acid to achieve a buffer with a pH of 4.90 at a final volume of 500 mL? (Ignore activity coefficients.)

How can you prepare 100.0 mL of acetic buffer solution (0.100 M) with pH = 5.10...

How can you prepare 100.0 mL of acetic buffer solution (0.100 M) with pH = 5.10 by using a solution of acetic acid (25% w/w, density = 1.05 g/cm3 ) and pure sodium acetate. (pKa = 4.76; M. W. = 60.05 g/mol for HAc and 82.03 for NaAc).

Show how would you prepare a solution of 500 ml of a 0.15 M acetate buffer....

Show how would you prepare a solution of 500 ml of a 0.15 M acetate buffer. You have available the following: 6M HCl, 4 M acetic, solid sodium acetate, solid sodium hydroxide

a. What is the pH of the buffer prepared by mixing 250. mL of 0.200 M...

a. What is the pH of the buffer prepared by mixing 250. mL of 0.200 M benzoic acid and 100. mL of 0.250M NaOH? pKa=4.19 b. A buffer containing 1.00 M concentrations of HOAc and NaOAc has a pH of 4.742. (a) What is the pH of the soln’ after 0.0100 mol of HCl has been added to 1.00 L of the buffer? (b) What is the pH of the soln’ after the addition of 0.0100 mol of NaOH? (c)...

Suppose 10.00 mL of 0.200 M HCl is added to an acetate buffer prepared by dissolving...

Suppose 10.00 mL of 0.200 M HCl is added to an acetate buffer prepared by dissolving 0.100 mol of acetic acid and 0.110 mol of sodium acetate in 0.100 L of solution. What are the initial and final pH values? What would be the pH if the same amount of HCl solution were added to 125 mL of pure water? Initial pH = Final pH =

a)Using a 0.15 M Acetate buffer with a pH of 4.9, you add 0.75 mL of...

a)Using a 0.15 M Acetate buffer with a pH of 4.9, you add 0.75 mL of 0.08 M HCl to 73 mL of the buffer. What is the new pH of the solution? (Enter your answer to three significant figures.) b) Using a 0.15 M Acetate buffer with a pH of 4.9, you add 0.75 mL of 0.08 M NaOH to 73 mL of the buffer. What is the new pH of the solution? (Enter your answer to three significant...

Calculate the pH of a buffer solution after the addition of 20.0 mL of 0.200 M...

Calculate the pH of a buffer solution after the addition of 20.0 mL of 0.200 M NaOH to 80.0 mL of 0.0500 M HC3H5O2 and 0.0250 M NaC3H5O2. (Ka = 1.4 x 10^-5)

You need to prepare an acetate buffer of pH 5.50 from a 0.899 M acetic acid...

You need to prepare an acetate buffer of pH 5.50 from a 0.899 M acetic acid solution and a 2.73 M KOH solution. If you have 775 mL of the acetic acid solution, how many milliliters of the KOH solution do you need to add to make a buffer of pH 5.50? The pKa of acetic acid is 4.76.

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