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What is the colour of phenolphthalein in aspirin solution?
The solution is colourless.
What does pink in phenolphthalein mean?
The solution is basic.
Why is phenolphthalein indicator used?
Phenolphthalein is used as an indicator because the color of the solution is changed according to pH.
What happen when sodium hydroxide is added drop wise to a solution containing phenolphthalein?
When sodium hydroxide is added dropwise to a solution containing phenolphthalein, the solution will initially remain colorless. Once enough sodium hydroxide has been added to make the solution basic, the color will change from colorless to pink or purple, indicating the presence of hydroxide ions. Phenolphthalein is a pH indicator that changes color in the presence of a base.
What is the pH if solution makes phenolphthalein stay clear?
your unknown solution made methyl red turn yellow. it also made phenolphthalein stay clear. what rang of pH does your unknown solution have?
What is the color change of phenolphthalein in a basic solution?
Phenolphthalein turns pink in a basic solution.
How do you make phenolphthalein indicator for titration from powder?
To make phenolphthalein indicator solution from powder, dissolve a small amount of phenolphthalein powder (about 0.1g) in 100mL of ethanol or 95% ethanol and 5% water solution. Stir the mixture until the powder is completely dissolved. This will give you a pink indicator solution suitable for titrations.
What color change does phenolphthalein undergo in a basic solution?
Phenolphthalein turns pink in a basic solution.
How do you prepare 1 percent phenolphthalein in 2000ml?
To prepare a 1% phenolphthalein solution in 2000mL, you would need to dissolve 20g of phenolphthalein in 2000mL of solvent (usually water or alcohol). This will result in a 1% solution by weight/volume. Remember to wear appropriate personal protective equipment and handle chemicals with care.
How do you make up a solution of phenolphthalein from a whit solid of phenolphthalein?
Dissolve 0.1g of the powder in ethanol and dilute with distilled water upto 100 cm3
When phenolphthalein is added to ammonium hydroxide is the color of the final solution is pink?
Phenolphthalein is an indicator often used in chemical titrations. Phenolphthalein is colorless in acidic solutions and turns pink in basic solutions. The more basic the solution the pinker the solution will become when Phenolphthalein is present.
What is the colour of phenolphthalein in aspirin solution?
The solution is colourless.
What colour does phenolphthalein change to when it reacts with and alkaline solution?
Phenolphthalein changes from colorless to pink when it reacts with an alkaline solution.
What colour would phenolphthalein go if added to borax solution?
Phenolphthalein would turn pink in a borax solution, indicating the solution is basic. Borax acts as a weak base in solution and would cause phenolphthalein to change color due to its alkaline nature.
If phenolphthalein is added to a solution and it turns pink what is the pH of the solution?
The pH of the solution is above 8.2. Phenolphthalein changes color from colorless to pink in the pH range of 8.2 to 10.0.
What does pink in phenolphthalein mean?
The solution is basic.
What colour in calcium hydroxide is phenolphthalein?
Pink. Calcium hydroxide turns phenolphthalein pink when it is in a basic solution.
