A solution of 0.073 M in formic acid, HCOOH, and has a pH of 4.59. What is the concentration of formate ion?

A solution of 0.073 M in formic acid, HCOOH, and has a pH of 4.59. What...
1) The pH of an aqueous solution of 0.442 M formic acid , HCOOH is _____ 2)The hydroxide ion concentration of an aqueous solution of 0.442 M acetic acid is [OH-] = _______ M.
Calculate the pH of a solution that is made up of 2.39 M formic acid (HCOOH) and 0.77 M sodium formate (NaOOCH)
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 0.065 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
a What is the pH of a solution that has a formic acid concentration of 0.020 M and a sodium formate concentration of 0.060 M? 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.
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.
A formic acid buffer solution contains 0.22 M HCOOH and 0.24 M HCOO. The pKa of formic acid is 3.75. What is the pH of the buffer? Answer:
A solution buffered at pH 3.90 is needed for a reaction. Would formic acid (HCOOH = HA) and its salt, sodium formate, NaHCO2 = NaA), make a good choice for this buffer? If so, what ratio of moles of A- and HA is needed? Use the Henderson Hasselbalch Equation. Ka formic acid = 1.8 x 10-4
23. A 1.0 L buffer solution is prepared with 0.25 M formic acid (HCOOH) and 0.50 M sodium formate (HCOONa). HCOOH(aq) + H2O(aq) – HCOO (aq) + H30+(aq) pKa = 3.74 What is the pH of this buffer solution? (A) 3.74 (B) 4.04 (C) 4.50 (D) 4.20