WebMar 1, 2016 · Yes, HCl would work with a pH meter. If you know the mass of base (indicator) you use, you can as 0.5 equivalents of a strong acid such as HCl and determine the pH. At that point, since the weak base would be half protonated, the pH would be equal to the pK a, based on the Henderson-Hasselbalch equation. WebQuestion: LAB 3 Work sheet Lab 3 : Determination of pKa for an indicator (Bromothymol Blue) Add 0.1 ml of 0.05% bromothymol blue solution to each of the 10-ml tubes (from …

analytical chemistry - Which method can be used to …

WebJan 1, 2003 · Bromocresol green and bromocresol purple were used for the serum albumin determination [10] and bromothymol blue has been proposed for the determination of serum albumin [11]. Recently, spot test ... WebQuestion: LAB 3 Work sheet Lab 3 : Determination of pKa for an indicator (Bromothymol Blue) Add 0.1 ml of 0.05% bromothymol blue solution to each of the 10-ml tubes (from last week experiment) and vortex them. Assuming that bromothymol blue is entirely in the dissociated form (In-)( blue colour) in 100% K2HPO4(tube 10), determine the maximum ... small cup of coffee

17.3: Acid-Base Indicators - Chemistry LibreTexts

WebMar 4, 2011 · For determination of pKa values, this helpful equation can be written in the following way (Klotz et al. 2011): where pKa is the apparent acidity constant (Dávila et al. … WebMar 4, 2011 · A simple, inexpensive, and environmentally friendly undergraduate laboratory experiment is described in which students use visible spectroscopy to determine a … WebSpectrophotometric Determination of the Acid Dissociation Constant of Methyl Carmine sonakshi and zaheer iqbal