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Henderson Hasselbalch Equation

Q. What is the pH of an aqueous solution that contains 0.282 M NaCN and 0.724 M HCN? Ka(HCN) = 4.9 x 10-10

Solved • Jun 7, 2019

Henderson Hasselbalch Equation

Q. Benzoic acid (HC7H5O2) is an organic acid with a Ka value of 6.3 ✕ 10−5. Calculate the pH of a buffer containing 0.086 M benzoic acid and 0.19 M sodium benzoate (NaC7H5O2).

Solved • Jun 6, 2019

Henderson Hasselbalch Equation

Q. Determine the pH of a buffered solution containing 0.14 M malonic acid and 0.22 M potassium malonate. The pKa of malonic acid at 25°C is 2.85

Solved • Jun 6, 2019

Henderson Hasselbalch Equation

Q. What is the pH of a solution composed of 0.10 M acetic acid and 0.13 M sodium acetate?

Solved • Jun 6, 2019

Henderson Hasselbalch Equation

Q. Buffer solution contains 0.20 mole of NH3 and 0.60 mole NH4Cl in 750 ml of solution. Calculate pH of this buffer solution after .10 mole of NaOh is added

Solved • May 9, 2019

Henderson Hasselbalch Equation

Q. Calculate the pH of a buffer solution prepared by dissolving 0.10 mole of HCNO, and 0.50 mole of NaCNO in enough water to make 0.500 liter of solution. For HCNO ka= 2.0 x 10^-4 at 25 degrees

Solved • May 9, 2019

Henderson Hasselbalch Equation

Q. What is the pH if 25 mL of 0.25 M hydrochloric acid is added to 455 mL of this buffer?

Solved • May 6, 2019