the pH of a 0.010 M solution of formic acid, HCOOH, at 25 degrees celcius is...
Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak acid with Ka = 1.8 × 10–4 at 25°C. 2.48 is WRONG answer!!!!!! Write your answer to two decimal places. Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak acid with 1.8x 10at 25°C. pH 2.48
Calculate the pH of a solution containing formic acid, 0.50 M HCOOH, and sodium format, 0.35 M NaCOOH (Ka (HCOOH) = 1.8 x 10-4)
3. Calculate the pH of a solution that contains 0.250 M HCOOH (formic acid) and 0.100 M NaCOOH (sodium formate). Given Ka = 1.8 x 10 - 4 for HCOOH. Please include the ICE table.
Calculate the pH of a 0.0140 M aqueous solution of formic acid (HCOOH, Ka = 1.8×10-4). pH =
The pH of a 0.10 M solution of formic acid (HCOOH) is 2.39.What is the Ka of the acid? Show your work and table.
The venom of biting ants contains formic acid, HCOOH (Ka = 1.8×10–4 at 25 °C). What is the pH of a 0.105 M solution of formic acid?
2. A formic acid buffer containing 0.50 M HCOOH and 0.50 M HCOONa has a pH of 3.77. What will the pH be after 0.010 mol of NaOH has been added to 100.0 mL of the buffer? A) 3.67 B) 3.78 C) 3.81 D) 3.85 E) 3.95 A buffer is prepared by adding 1.00 L of 1.0 M HCl to 750 mL of 1.5 M Nalcoo. What is the pH of this buffer? Ka = 1.7 * 104 A) 2.87...
Calculate the pH, pOH, [H3O +] and [OH-] and formic acid (HCOOH) in a 0.0500M formic acid solution (Ka formic acid: 2.1x 10 –4).
For the solution of 0.020 moles of formic acid (HCOOH) and 0.010 moles of sodium formate (pka = 3.7545 at 25 C) obtain: a) the reactions involved in the process b) the derivation of the Henderson-Hasselbalch expression from equilibrium for the dissolution of the formic acid. c) the pH of the system and the pOH d) the concentration of H3O+ e) the concentration of OH- of the system
0. A solution of formic acid (HCOOH, Ka 1.8 x 10) has a pH of 2.70. Calculate initial concentration of formic acid in this solution.