Determine Ka for a 0.10M acetic acid (CH3CO2H) solution that has a pH of 2.87.

Question

Question

science chemistry

Answer 1

Answer #1

Concentration of CH.COOH is 0.10 М CH,COOH (aq)+H,0 H,O (aq) + CH,COO-(aq) Initial: Change: Equilbrium: 0.10-x pH 2.87 0.10

Answer 2

Similar Homework Help Questions

Determine the molarity of an acetic acid solution, [HC2H3O2], with a pH of 2.87 (Ka for...

Determine the molarity of an acetic acid solution, [HC2H3O2], with a pH of 2.87 (Ka for HC2H3O2 = 1.7 x 10-5). What is the initial concentration of an NH3 solution, [NH3], with a pH of 11.57 and a percent ionization value of 5%?
Calculate the pH of a 0.800 M NaCH3CO2 solution. Ka for acetic acid, CH3CO2H, is 1.8x10-5.

Calculate the pH of a 0.800 M NaCH3CO2 solution. Ka for acetic acid, CH3CO2H, is 1.8x10-5.
Part A Calculate the pH of a 0.200 M NaCH3CO2 solution. Ka for acetic acid, CH3CO2H,...

Part A Calculate the pH of a 0.200 M NaCH3CO2 solution. Ka for acetic acid, CH3CO2H, is 1.8x10-5 11.28 O 2.72 O 4.98 O 9.02

Determine Ka of the weak acid HX knowing that 0.10M solution of LiX has pH of...

Determine Ka of the weak acid HX knowing that 0.10M solution of LiX has pH of 8.90 Post-Laboratory Questions and Exercises DUE AFTER COMPLETING LAB. ANSWER IN SPACE PROVIDED. 1. Determine the K, of the weak acid HX knowing that a 0.10 M solution of LiX has pH of 8.90.
What is the pH of a solution that results from diluting 0.700 mol acetic acid (CH3CO2H)...

What is the pH of a solution that results from diluting 0.700 mol acetic acid (CH3CO2H) and 0.129 mol sodium acetate (NaCH3CO2) with water to a volume of 1.41 L? (Ka of CH3CO2H = 1.8E-5)
A) A buffer containing acetic acid and sodium acetate has a pH of 5.45. The Ka...

A) A buffer containing acetic acid and sodium acetate has a pH of 5.45. The Ka value for CH3CO2H is 1.80 × 10-5. What is the ratio of the concentration of CH3CO2H to CH3CO2-? [CH3CO2H]/[ CH3CO2-] = _________ B) What is the pH change when 29.6 mL of 0.117 M NaOH is added to 95.4 mL of a buffer solution consisting of 0.123 M NH3 and 0.179 M NH4Cl (Ka for ammonium ion is 5.6x10^-10.) pH change =_______

Determine the pH of a 0.161 M CH3CO2H M solution if the Ka of CH3CO2H is...

Determine the pH of a 0.161 M CH3CO2H M solution if the Ka of CH3CO2H is 1.8 x 10^-5
What is the pH of an acetic acid/sodium acetate buffer with [CH3CO2H] = 0.850 M and...

What is the pH of an acetic acid/sodium acetate buffer with [CH3CO2H] = 0.850 M and [CH3CO2-] = 0.550 M? Ka for acetic acid = 1.8×10-5 pH =
Calculate the pH of a 0.500 L solution of 0.800 mol NaCH3CO2. Ka for acetic acid,...

Calculate the pH of a 0.500 L solution of 0.800 mol NaCH3CO2. Ka for acetic acid, CH3CO2H, is 1.8 x 10:5. 2.27 9.47 ooo 11.73 4.53

a solution is prepared by mixing 2.50 g of acetic acid (CH3CO2H, FW=60g/mol, Ka=1.75x10^(-5) with 4.70...

a solution is prepared by mixing 2.50 g of acetic acid (CH3CO2H, FW=60g/mol, Ka=1.75x10^(-5) with 4.70 g of sodium acetate (CH3CO2Na, FW=82g/mol) and adding water to a 500 mL volume. Note that sodium acetate yields Na+ and CH3COO-, the conjugate base of acetic acid. a.) what is the pH? b.) 15mL of 0.50 M HCl were added to the 500 mL solution, what is the pH after addituon of acid? write answer to 3 sig. figured.