you are usually given the Ka and the Kw. For example, you may be asked to calculate the Kb of the chloride ion. The given Ka of the conjugate acid of the chloride ion, which is hydrogen chloride, is 1.0 x 10^6.
You can also calculate concentration from pH and pKa, the latter being derived from the acid dissociation constant **Ka**. The higher the Ka for a particular acid, the stronger the acid it is. The pKa for any acid is the pH at which half of the acid has been ionized (that is, when...
Calculate the concentration of hydrogen ions in an acetic acid solution given that the pKa = 4.76 and the ratio of [CH_3 COO^- ]/[CH_3 COOH] is 0.6. Break down the mathematical steps when you get ''4.53 = -\log(H^+)'' and the steps to the final answer of ...
Calculate the acid dissociation constant (Ka) for this acid. a. A solution has a hydrogen ion concentration of 6.3 \cdot 10^{ 10} \text{ M} . i. What is the pH of the solution? ii. What is the pOH of the solution? b. A weak acid dissociates according to the reaction \te...
respectively. To calculate the specific pH of a given buffer, you need to use the Henderson-Hasselbalch equation for acidic buffers: "pH = pKa + log10([A-]/[HA])," where Ka is the "dissociation constant" for the weak acid, [A-] is the concentration of conjugate base and [HA] is...
We next asked how it is possible that long-lived misfolded proteins are able to bypass the post-translational cellular chaperone machinery. To address this question we used coarse-grained Langevin dynamics to calculate the dissociation constant between the chaperone GroEL and three distinct conformational...
How to Calculate the pH of a Buffer The Henderson-Hasselbalch equation solves for the pH of a solution using pKa, which is the negative log of the acid dissociation constant. This value is an equilibrium constant for the reaction of HA⇌A−+H+, which is a measure of how strong an ...
So the acid-base reaction in the quiz above favors water (pKa14) by about 10 orders of magnitude (1010) over acetic acid (pKa4). That means there are roughly 10 billion molecules of water for every molecule of acetic acid. This quiz asks you to calculate the ratio of each acid present...
What is the overall charge of a nonpolar amino acid at a PH below its pl? Why do non-bonded electrons help determine the shapes of molecules? Explain in detail. How to calculate formal charge from Lewis structure How does an atom become a positive ion? What is the difference between elect...
In an aqueous solution, classify the compound as a strong acid, weak acid, strong base, weak base, or other for HBr. A 0.13-M solution of a weak acid is 2.9% dissociated. Calculate K_a. A 0.13 M solution of a weak acid is 3.7% dissociated. Calcula...