Phenolphthalein solution Phenolphthalein in ethanol, β(Phenolphtalein) = 1 g / 100 mL. 100 – 120 mg benzoic acid was weighed into a titration vessel and dissolved in 50 mL ethanol. The solution was ...

In a titration, sulfuric acid of concentration \(0.1 moll^{-1}\) was added from a burette into a conical flask containing \(20cm^{3}\) of sodium hydroxide solution. The average titre was \(11.2cm ...

Titration instruments are used to determine the concentration of dissolved substances. Titration is based on a complete chemical reaction between the analyte and a reagent or titrant of known ...

dilute acid is added from a burette to an alkali in a conical flask. The alkali contains a few drops of phenolphthalein indicator.

Already longing for the weekend? Spare a thought for the students who’ll be sitting their HKDSE Chemistry exam this Saturday. If you’re one of this year’s 13,657 brave candidates, Young Post ...

The Excellence series of titrators has been designed to fully support both coulometric and volumetric Karl Fischer titrations and provide accurate measurement of water in solid or liquid samples ...