5. Determine the pH of a solution of 0.44 mol sodium formate and 0.33 mol formic...

Question

Question

5. Determine the pH of a solution of 0.44 mol sodium formate and 0.33 mol formic acid in 3.0 L water (a formate buffer).

science chemistry

Answer 1

Answer #1

9 3 d-33

Answer 2

Similar Homework Help Questions

A L.OOL buffer solution has the following concentrations: 1.50M formic acid and 1.25M sodium formate. The...

A L.OOL buffer solution has the following concentrations: 1.50M formic acid and 1.25M sodium formate. The pK, for formic acid is 3.74. Determine the pH change of the buffer when 0.20moles of NaOH is added to the buffer. There is no change in the volume of the solution. (10 points)
A 1.00L buffer solution has the following concentrations: 1.50M formic acid and 1.25M sodium formate. The...

A 1.00L buffer solution has the following concentrations: 1.50M formic acid and 1.25M sodium formate. The pK, for formic acid is 3.74. Determine the pH change of the buffer when 0.20moles of NaOH is added to the buffer. There is no change in the volume of the solution. (10 points)
Answer Part B please 1.000 mol of formic acid (HCOOH) and 0.500 mol of sodium formate...

Answer Part B please 1.000 mol of formic acid (HCOOH) and 0.500 mol of sodium formate (NaCOOH) are added to water and diluted to 1.00 L. Calculate the pH of the solution. Ka 1.77 x 10-4 (4 marks) Enough HCl is added to the above solution (with negligible volume change) to bring the [H3O] up to 0.100 M. Find the pH of the resulting solution. (5 marks)

24. (25 points) A buffer solution was prepared by dissolving 0.500 mol formic acid and 0.060...

24. (25 points) A buffer solution was prepared by dissolving 0.500 mol formic acid and 0.060 mol sodium formate in enough water to make 1 L of solution, K, for formic acid is 1.80 x 104 a) Calculate the pH of the solution. b) If this solution was diluted to 10 times its volume, what would be the pH.
3. A 1.00L buffer solution has the following concentrations: 1.50M formic acid and 1.25M sodium formate....

3. A 1.00L buffer solution has the following concentrations: 1.50M formic acid and 1.25M sodium formate. The pK, for formic acid is 3.74. Determine the pH change of the buffer when 0.20moles of NaOH is added to the buffer. There is no change in the volume of the solution. (10 points)
A solution is prepared by dissolving 0.23 mol of formic acid and 0.27 mol of sodium...

A solution is prepared by dissolving 0.23 mol of formic acid and 0.27 mol of sodium formate in water sufficient to yield 1.00 L of solution. The addition of 0.05 mol of NaOH to this buffer solution causes the pH to increase slightly. The pH does not increase drastically because the NaOH reacts with the present in the buffer solution. The K, of formic acid is 1.8 x 10+ A formic acid B. sodium formate C water D. sodium E....

Starting from 0.5 M formic acid and solid sodium formate. Describe how to prepare 5 L of Formate buffer, pH = 4, Ka =1....

Starting from 0.5 M formic acid and solid sodium formate. Describe how to prepare 5 L of Formate buffer, pH = 4, Ka =1.78×10-4
QUESTION 14 Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid...

QUESTION 14 Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid (HCO2H) and 0.230 mol of sodium formate (NaCO2H) in water sufficient to yield 1.00 L of solution. The Ka of formic acid is 1.77X104 Enter your answer with three decimal places.
Calculate the pH of a solution prepared by dissolving 0.370 mol of formic acid HCOOH and...

Calculate the pH of a solution prepared by dissolving 0.370 mol of formic acid HCOOH and 0.230 mol of sodium formate HCOONa in water sufficient to yield 1.00 L of solution. The Ka of formic acid is 1.77x10. -4 Seleccione una: a. 10.463 b. 2.307 O O c. 2.099 d. 3.546 e. 3.952

You combine 0.75 moles formate and 0.85 moles formic acid to make a buffer solution. The...

You combine 0.75 moles formate and 0.85 moles formic acid to make a buffer solution. The Ka of formic acid is 1.8xl0'4 what is the pH of the solution? With the same initial solution of 0.75 moles formate and 0.85 moles formic acid to make a buffer solution. The Ka of formic acid is 1.8xl0'4. You add 8g sodium hydroxide to this solution, what is the new pH? With the same initial solution of 0.75 moles formate and 0.85 moles...