Please show work!! 16. What is the pH of a buffer made by combining 230 mof...

Question

Question

Please show work!!
16. What is the pH of a buffer made by combining 230 mof 0.41 M NaC2H02 with 110 mL of0.34 M HC2HO? The Ka of acetic acid is

Answer 1

Similar Homework Help Questions

What is the pH of a buffer made by combining 181 mL of 0.34 M NaC2H2O2...

What is the pH of a buffer made by combining 181 mL of 0.34 M NaC2H2O2 with 170 mL of 0.28 M HC2H2O2? The K, of acetic acid is 1.75 x 10-5. 4.88 4.64 O 5.93 4.83 O 5.38
A buffer is created by combining 325.0 mL of 0.750 M CH3COOH with 225.0 mL of...

A buffer is created by combining 325.0 mL of 0.750 M CH3COOH with 225.0 mL of 0.500 M NaCH3COO. (Ka for CH3COOH = 1.76 x 10-5) a)What is the pH of the buffer both before and after the addition of 25.00 mL 1.00 M HCl? b)What volume of 1.75 M NaOH would be required to position the buffer at it's ½ equivalence point (pKa point)? What is the pH of the buffer at this time?
1) Calculate the pH of the 1L buffer composed of 500 mL of 0.60 M acetic...

1) Calculate the pH of the 1L buffer composed of 500 mL of 0.60 M acetic acid plus 500 mL of 0.60 M sodium acetate, after 0.010 mol of HCl is added (Ka HC2H3O2 = 1.75 x 10-5). Report your answer to the hundredths place. 2) Calculate the pH of the 1L buffer composed of 500 mL 0.60 M acetic acid plus 500 mL of 0.60 M sodium acetate, after 0.010 mol of NaOH is added (Ka HC2H3O2 = 1.75...

A buffer solution of pH 5 is needed for an experiment which can be prepared by...

A buffer solution of pH 5 is needed for an experiment which can be prepared by mixing a weak acid and a strong base. Calculate the volume of a 0.56 M NaOH solution that needs to be added to 50.00 mL of a 0.18 M acetic acid (CH3COOH) solution to obtain a buffer solution of pH 5.00. Ka (CH3COOH) = 1.75 x lO'5]
a) What is the pH of a buffer made by combining 0.025 moles potassium acetate with 0.015 moles acetic acid in 200 mL of...

a) What is the pH of a buffer made by combining 0.025 moles potassium acetate with 0.015 moles acetic acid in 200 mL of water? 8.97 b)What is the new pH if 0.5 mL of 10 M HCl is added to the buffer in part a? 9.20
A pH 4.01 buffer is to be prepared by combining 0.125 M acetic acid with 0.150...

A pH 4.01 buffer is to be prepared by combining 0.125 M acetic acid with 0.150 M sodium acetate. How many mL of each substance is needed to prepare 250.0 mL of this buffer?

A student must make a buffer solution with a pH of 1.00. Determine which weak acid...

A student must make a buffer solution with a pH of 1.00. Determine which weak acid is the best option to make a buffer at the specified pH. O propionic acid, K =1.34 x 10 5,3.00 M acetic acid, Ka = 1.75 x 10,5.00 M O formic acid, Kg = 1.77 x 104,2.00 M sodium bisulfate monohydrate, K = 1.20 x 102,3.00 M Determine which conjugate base is the best option to make a buffer at the specified pH. sodium...
Calculate the pH of a buffer solution that results from combining 37.5 mL of a 0.450...

Calculate the pH of a buffer solution that results from combining 37.5 mL of a 0.450 M in benzoic acid (HC7H5O2) and 82.5 mL of a 0.250 M in sodium benzoate (NaC7H5O2). For benzoic acid, Ka = 6.5 × 10–5 .
A student must make a buffer solution with a pH of 1.50. Determine which weak acid...

A student must make a buffer solution with a pH of 1.50. Determine which weak acid is the best option to make a buffer at the specified pH. O propionic acid, Ka = 1.34 x 10-5, 3.00 M formic acid, Ka = 1.77 x 10-4, 2.00 M O acetic acid, Ka = 1.75 x 10-5,5.00 M O sodium bisulfate monohydrate, Ka = 1.20 x 10-2, 3.00 M Determine which conjugate base is the best option to make a buffer at...

A buffer that is a mixture of acetic acid and potassium acetate has a pH =...

A buffer that is a mixture of acetic acid and potassium acetate has a pH = 5.22. The molar ratio of the conjugate base to weak acid in this buffer is? (acetic acid Ka = 1.8 x 10-5 ) A. 1:3 B. 1:5 C. 3:1 D. 1:1 E. 5:1