Be sure to answer all parts. Calculate the Ka of a weak acid if a 0.063 M solution of the acid has a pH of 2.85 at 25 ° C.Ka = × 10(Enter your answer in scientific notation.) |
Be sure to answer all parts. Calculate the Ka of a weak acid if a 0.063...
Be sure to answer all parts. Calculate the K, of a weak acid if a 0.057 M solution of the acid has a pH of 3.51 at 25°C. K, = x 10 (Enter your answer in scientific notation.)
Be sure to answer all parts. The pH of an aqueous acid solution is 6.24 at 25°C. Calculate the Ka for the acid. The initial acid concentration is 0.010 M. × 10 (Enter your answer in scientific notation.)
Be sure to answer all parts. The pH of a 0.051 M weak monoprotic acid is 3.41. Calculate the K, of the acid. x 10 K = Enter your answer in scientific notation.
Be sure to answer all parts. Determine the K, of a weak base if a 0.15 M solution of the base has a pH of 10.77 at 25°C. х 10 Къ (Enter your answer in scientific notation.)
3 attempts left Check my work Be sure to answer all parts. Calculate the K, of a weak acid if a 0.019M solution of the acid has a pH of 3.09 at 25°C. x 10 (Enter your answer in scientific notation.)
Be sure to answer all parts. Calculate the concentrations of H2C204, HC204, C204-, and I' ions in a 0.171 M oxalic acid solution at 25°C. (Ka, = 6.5 x 10-2 and Ka, = 6.1 x 10-5 for oxalic acid.) [H2C2041 = [HC204)= [C20,27= [H"]= M. M * 10 M M (Enter your answer in scientific notation.)
Be sure to answer all parts. In a 0.25 M solution, a weak acid is 3.6% dissociated. (a) Calculate the [H30+ ], pH, [OH ], and pOH of the solution. [H30+]= M [OH]= X 10 pH = pOH = (b) Calculate Kg of the acid. KA=
10 attempts left Check my work Be sure to answer all parts. Calculate the concentrations of H2C204, HC20, C20, and H at 25°C. (Ka, 6.5 x 10 and Ka, 6.1 x 105 for oxalic acid.) ions in a 0.183 M oxalic acid solution = [H2C2041= м [HC2041= м [C2021= x 10 м [H*] м (Enter your answer in scientific notation.)
Be sure to answer all parts. A 0.035 M solution of a weak acid (HA) has a pH of 4.39. What is the Ka of the acid?
Be sure to answer all parts. A 0.035 M solution of a weak acid (HA) has a pH of 4.39. What is the Ka of the acid?