Question

In: Chemistry

354 mL of 0.21 M formic acid HCOOH was mixed with 126 mL of 0.9 M...

354 mL of 0.21 M formic acid HCOOH was mixed with 126 mL of 0.9 M NaOH. What will be the final pH?

Solutions

Expert Solution


Related Solutions

Calculate the percent ionization of formic acid in a solution that is 0.010 M HCOOH and...
Calculate the percent ionization of formic acid in a solution that is 0.010 M HCOOH and 0.005 M HCOONa. Ka (HCOOH) = 1.7x10-4 ? 3.4% is correct answer
An aqueous solution of formic acid, HCOOH, is prepared at 0.075 M. The acid-ionization constant is...
An aqueous solution of formic acid, HCOOH, is prepared at 0.075 M. The acid-ionization constant is Ka = 1.8 x 10-4. Because this is a weak acid, you may presume that the ionic strength is negligible (m = 0). Calculate: a) the pKa of HCOOH b) [H+] c) [HCOO-]   d) [HCOOH] at equilibrium
A 20.00 mL solution of 0.100 M HCOOH (formic) was titrated with 0.100 M KOH. The...
A 20.00 mL solution of 0.100 M HCOOH (formic) was titrated with 0.100 M KOH. The Ka for the weak acid formic is 1.40 x 10-5. a. Determine the pH for the formic prior to its titration with KOH. b. Determine the pH of this solution at the ½ neutralization point of the titration. c. Identify the conjugate acid-base pair species at the ½ neutralization point.
In a direct formic acid fuel cell, formic acid (HCOOH) is oxidised into carbon dioxide and...
In a direct formic acid fuel cell, formic acid (HCOOH) is oxidised into carbon dioxide and water over an alloy nanoparticle catalyst. The standard reduction potential for O2 is +1.23 V and for the reduction of CO2 to HCOOH is -0.25 V. (a) Write down balanced equations for each half-cell reaction and the overall cell reaction. Calculate the standard potential of the cell. (b) Under operating conditions, the concentration of HCOOH is 5.0 mol dm-3, and the pressures of O2...
Calculate the pH of a 0.500M formic acid (HCOOH) solution. Ka for formic acid is 1.8×10-4.
Calculate the pH of a 0.500M formic acid (HCOOH) solution. Ka for formic acid is 1.8×10-4.
Formic acid (HCOOH) is secreted by ants. Calculate [H3O+] for a 4.98E-2 M aqueous solution of...
Formic acid (HCOOH) is secreted by ants. Calculate [H3O+] for a 4.98E-2 M aqueous solution of formic acid (Ka = 1.80E-4).
Formic acid (HCOOH) has Ka= 1.8x10-4. What is the pH of a 0.01 M solution of...
Formic acid (HCOOH) has Ka= 1.8x10-4. What is the pH of a 0.01 M solution of formic acid ? PLEASE HELP I HAVE EXAM
A solution of formic acid (HCOOH) has a pH of 2.11. How many grams of formic...
A solution of formic acid (HCOOH) has a pH of 2.11. How many grams of formic acid are there in 100.0 mL of the solution?
What is the pH of a solution that is 0.64M H2SO4 and 1.7M HCOOH (formic acid)?...
What is the pH of a solution that is 0.64M H2SO4 and 1.7M HCOOH (formic acid)? Express your answer using two decimal places.
Formic acid is a weak acid with pKa = 3.75. How many mL of 0.10 M...
Formic acid is a weak acid with pKa = 3.75. How many mL of 0.10 M NaOH solution should be added to 100.0 mL of 0.10 M formic acid solution to make a buffer solution with pH = 3.27 A) 0 B) 25 C) 50 D) 75 E) 100
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT