The pH scale ranges from 0 to 14 under usual conditions and measures the acidity of an aqueous solution. This is derived from the molarity of protons (hydrogen ions, or H+) in the solution. To find pH for a given molarity, you need to know how to work wi
pOH=pKb+log([ConjugateAcid][Base]) Next, we will go over two example problems that show how to apply the Henderson-Hasselbalch equation. Example Problem 1 - Acid/Conjugate Base Solution Hydrofluoric acid has a pKa of 3.10. When the acid is dissolved in a solution with a...
A pH indicator is a substance that has a distinct color which depends on the pH of the solution in which it is added. It is an indicator that helps...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your...
The positive ion comes from the base that was neutralized, and the negative ion comes from the acid. If both the acid and the base are also strong electrolytes, the salt will have no effect on the pH of the water; the solution will remain at pH = 7. Salt of a Weak Acid. If ...
Calculate the volume of 0.20 M NaOH required to bring the pH of 20 mL of 5% acetic acid solution to 4.74, which is the pKa of acetic acid. If acetic acid has a Pka of 4.74, what is the pH of a mixture where the concentration of acetic acid is 1.50 M?
PH takes a measurement of the free hydrogen ions in the solution, and that is how the number is determined. When more hydrogen ions are present, the number is lower (more acidic). Something else you might come across while looking at pH resources is pOH. This is a somewhat similar measur...
Nanoparticles (NPs) can offer a handful of tools to tackle these problems by enabling efficacious and safe delivery of both virus- and host-directed therapeutics. Furthermore, they can enable maximized clinical outcome while eliminating the chance of resistance to therapy by tissue-targeting and ...
Go to solution jeanborgonia Level 1 08-03-2016 07:36 PM Hi I am trying to perform GetUser on an SSO website. I got a session ticket using the Authenticate function. I replaced the <webexID> and <password> tags with <sessionTicket> tag and sent the request. When I got the ...
How are the K_a and K_b values of an acid and base used to determine the acidic or basic nature of their aqueous salt solution? What is the quickest way to find out whether a compound is acidic or basic? What is a more accurate (quantitative) way of finding out whether a compound ...
Buffer systems have a significant role in biological systems due to their ability to resist drastic change in pH. A buffer solution is composed of a weak acid and its conjugate base, or vice versa. When minimal amount of strong acid is added to the buffer,...