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Why we use indicator in the volumetric analysis?
Indicators are used in volumetric analysis to signal the end point of a reaction. They change color at a specific pH or stoichiometric point, indicating when the reaction is complete. This helps in determining the volume of titrant needed for complete reaction with the analyte.
What indicator chemical do you use to find sugar?
iodine...
What equipment would you use to grind up red cabbage to make an indicator?
You can use a blender or food processor to grind up red cabbage to make an indicator solution. Make sure to strain the mixture to separate the liquid from the solids. The liquid will then be ready to use as a pH indicator.
Why is it easier to use indicator paper rather than indicator solution?
Indicator paper is easier to use than indicator solution because it provides a straightforward, visual representation of pH changes without the need for precise measurements or dilutions. Users can simply dip the paper into the solution and compare the resulting color to a pH scale, making it quick and user-friendly. Additionally, indicator paper is portable and eliminates the risk of contamination that can occur with liquid indicators.
What substance can best be used to determine the relative acidity of a solution?
an indicator is capable of determining if a substance is basic or acidic or neutral. if you are just looking for if it is a basic or acidic. then you could you could use red litmus or blue litmus. if you are looking for the pH of a substance try using: red cabbage indicator phenolphthalein i hope i answered your question!
What colour indicator do you use for hydrochloric acid and vinegar?
Methyl red is an adequate indicator.
How are universal indicator and the pH scale linked?
Universal indicator is a solution composed of several different indicators, each of which changes color at different pH levels. The pH scale is a way to measure the acidity or alkalinity of a substance based on its concentration of hydrogen ions. Universal indicator's color change corresponds to different pH levels, making it a useful tool for determining the pH of a substance.
What is the use of ferroin indicator in redox titration of Mohr's salt?
Ferroin indicator is used in the redox titration of Mohr's salt as it changes color when the Fe2+ ions are completely oxidized to Fe3+ ions. This color change helps in determining the end point of the titration, where all the Mohr's salt has been oxidized and no more Fe2+ ions are present.
How do I Add an indicator variable in sas?
To add an indicator variable in SAS, you can use the DATA step along with a conditional statement. For example, if you want to create an indicator variable called indicator based on a condition in the dataset, you can use the following code: data new_dataset; set original_dataset; if condition then indicator = 1; else indicator = 0; run; Replace condition with your specific criteria for the indicator. This will create a new dataset with the added indicator variable.
How is the use of indicator paper important to scientists?
With indicator papers the pH of a liquid is evaluated. Also many indicator papers are used for testing chemicals.
Phenolphthalein would not be an appropriate indicator to use to determine the Ka1 of phosphoric acid Why What indicator would be appropriate?
Phenolphthalein is not suitable for determining the Ka1 of phosphoric acid as it changes color at a pH around 8-10 while the Ka1 dissociation of phosphoric acid occurs at a much lower pH of around 2. A suitable indicator for determining the Ka1 of phosphoric acid would be methyl orange, which changes color in the pH range of 3.1-4.4, closer to the pH range of the dissociation of the first hydrogen ion from phosphoric acid.
What do you use a chemical indicator for?
to indicate what the chemical is.
Is the use of a POA indicator is optional?
False
What is liquid use for?
As a temp. indicator in thermometers.
Why you use phenolphthalein in titration?
Phenolphthalein is used as an indicator in titrations because it changes color sharply at a specific pH range (approximately 8.2 to 10). This color change helps in determining the endpoint of the titration, which is when the reaction is complete. Phenolphthalein is colorless in acidic solutions and pink in basic solutions, making it ideal for acid-base titrations.
What is use of indicator?
Indicator is a process which is used to find out the substanceis acid,base and salt. example: litmus paper and termuric both are natural indicator. example of artificial indicator: mithyl orange and phenolphtaceil
Acuvue oasis contact lenses contain an inside-out AV indicator?
How do you use the "AV" indicator in the contact lens.
