A 0.053 M solution of an acid (HA) has a pH of 4.63. What is the pKa?
What is the pKa for the acid HA if a solution of 0.62 M HA and 0.82 M A- has a pH of 4.78?
A 0.048 M solution of an unknown weak acid, HA, has a pH = 2.75. What is the hydrogen ion concentration of this solution? Answer in scientific notation and be sure to include your units. (Scientific notation: Ex. 2.4 x 103 = 2.4E3) HA(aq) + H+ (aq) + A (aq) Answer: A 0.048 M solution of an unknown weak acid, HA, has a pH = 2.75. What is the value of the acid dissociation constant, K ? Answer in scientific...
A 0.048 M solution of an unknown weak acid, HA, has a pH = 2.75. What is the hydrogen ion concentration of this solution? Answer in scientific notation and be sure to include your units. (Scientific notation: Ex. 2.4 x 103 = 2.4E3) HA(aq) + H+(aq) + A'(aq) Answer: A 0.048 M solution of an unknown weak acid, HA, has a pH = 2.75. What is the value of the acid dissociation constant, Ka? Answer in scientific notation. Answer: A...
A 0.200 M solution of an acid, HA, has a pH = 3.1. What is the value of the ionization constant, Ka, for this acid?
A 0.250 M solution of a weak acid HA has a pH of 3.10. What is the percent ionization of HA in the solution? For the solution described above, what is the Ka?
A 0.020 M solution of a weak acid HA has a pH of 3.50. What is the percent ionization of HA in the solution? For the solution described above, what is the Ka?
A weak acid (HA) has a pKa of 4.468. If a solution of this acid has a pH of 4.736, what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of HA.)
A weak acid (HA) has a pKa of 4.161. If a solution of this acid has a pH of 4.140, what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of HA.)
A weak acid (HA) has a pKa of 4.734. If a solution of this acid has a pH of 4.273, what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of HA.)
A weak acid (HA) has a pKa of 4.679. If a solution of this acid has a pH of 4.876, what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of HA.)