The pH value of a 1% solution (pH = 9.24) is quite a sufficient approximation to calculate the pH changes after adding small but known amounts of acid or base to this buffer solution provided that we know the initial molar concentration of borax. Do you mean that adding small amounts of...
Acetic acid has a molecular weight of 60.05 grams per mole (g/mol). Acetic acid's density is 1.053 g/mol at room temperature in the liquid form, though it can also exist as a solid. The pKa of acetic acid is 4.76, which is the pH value at which half of the acid will be intact...
Firstly I don't know where you get this pH at the second equivalence point from, but it cannot be 3.09. The second equivalence point would be where you have just a solution of H2B, well to the acid side of the pK. (You should calculate what it is.) In fact your calculation appears...
How to calculate a back titration Titration Calculation Procedures:Titration is an analytical method that allows us to calculate the unknown concentration or quantity of an analyte solution from the addition of a determined volume of known concentration titrant solution. A common technique is the use ...
How to calculate ascorbic acid by titration Indicators Indicators are used in titrations to indicate the endpoint of the titration. They typically work over only a small pH range, which must be considered when choosing what indicator to use for a particular reaction. They indicate the endpoint ...
How do you find initial Ph of an acid-base titration? Calculate the pH of 0.105 mol dm^3 CCl3COOH (trichloroacetic acid), pKa = 0.52. a) 1.08 b) 2.08 c) 1.51 d) 6.21 How do you calculate acidity from titration? How to calculate a back titration Calculate pK_a of an acid with ...
(pH > 7), a buffer solution consists of a weak acid or base mixed with the salt of its conjugate base or acid, 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])," ...
HNO3 pKa~-2 M: 63.01g/molAnybody here able to help me out? Logged Borek Mr. pH Administrator Deity Member Posts: 27762 Mole Snacks: +1805/-411 Gender: I am known to be occasionally wrong. Re: adjusting pH of a solution:how to calculate? « Reply #1 on: August 27, 2009, ...
This project has resulted in approximately 50,000 compounds with calculated properties over a timeframe of more than 4 years - without any problem or intervention. The biggest impact that this solution has had, is the time saved by scientists who no longer need to calculate properties ...
There are two main methods of solving for hydrogen ion concentration. One involves the quadratic equation. The other assumes the weak acid barely dissociates in water and approximates the pH. Which one you choose depends on how accurate you need the answer to be. For homework, use the quadra...