Determine Ka for a 0.10M acetic acid (CH3CO2H) solution that has a pH of 2.87.
Determine Ka for a 0.10M acetic acid (CH3CO2H) solution that has a pH of 2.87.
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, 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 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.
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 1.8 x 10^-5
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, 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 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.
3.) A buffer containing acetic acid and sodium acetate has a pH of 5.25. The Ka value for CH3CO2H is 1.80 × 10-5. What is the ratio of the concentration of CH3CO2H to CH3CO2-?
6) The Ka of acetic acid (HC2H302) is 1.8 x 10-5. What is the pH at 25.0 °C of an aqueous solution that is 0.100 M in acetic acid? A) -6.61 B) +11.13 C) +2.87 D) -2.87 E) -11.13