Answer to: What is the function of the indicator phenolphthalein? By signing up, you'll get thousands of step-by-step solutions to your homework...
Filter the solution and titrate the filtrate with sodium hydroxide titration solution (0.1mol/L) using phenolphthalein as the indicator. Each 1ml of sodium hydroxide titration solution (0.1mol/L) is equivalent to 8.306mg of C8H6O4. Calculated as anhydrous phthalic acid, the content of free...
29.2%(W/W)HClstock solution has a density of1.25g mL−1. The molecular mass ofHClis36.5gmol1. What is the volume (mL) of stock required to prepare 200 mL of solution of0.4MHCl? View Solution Exams IIT JEE NEET UP Board Bihar Board ...
Which of the following is produced from the neutralization of an Arrhenius acid with an Arrhenius base? a. a metal and water b. an indicator and a salt c. a salt and water d. it depends on the acid and base If the hydrogen ion ( H + ), or the hydronium ion...
How Is Titration Carried Out? The analyte is measured and filled in a beaker. A few drops of an acid base indicator, such as methyl orange or phenolphthalein, is added to the analyte. Phenolphthalein remains colorless in acid, but turns pink in the presence of a base. Similarly, methyl or...
Electrical conductivity is an indicator of the conductivity of dissolved ions in water. Conductivity is a convenient way to measure ion concentration in water, but it cannot accurately reflect the composition of ions. The conductivity increases as the ion concentration increases. ...
CO2 will readily dissolve in distilled water (or any water, but more so in distilled because it's 'empty' water). This can be proven. Add phenolphthalein indicator to distilled water. Let's presume the pH was 7 or just slightly below. the indicator should be a slight pink color. If yo...
Another example of a classical method for qualitative analysis is the Kastle-Meyer test which employsphenolphthaleinas an indicator to check for the presence of haemoglobin in the given analyte. Flame tests can be used to check for the presence of specific elements in an analyte by exposing it ...
There are different ways of determining the titratable acidity of a sample, but the most common method is a titration with an alkali solution. The most common alkali solution used is sodium hydroxide, along with the phenolphthalein indicator. The equation for the calculation is as follows: ...
An acid turns the indicator litmus to what color? What is the color of a phenolphthalein indicator in an acidic solution? 1. A substance with a pH of 9 is considered {Blank}. \\ 2. If red litmus paper is used to test the substance it would turn what color? \\ a. ...