Yr9 Chemistry-Titration Flashcards
What is a concentrated weak acid?
A lot of acid present but a little of it is broken up
What is a concentrated strong acid?
A lot of acid present but a lot of it is broken up
What is a dilute weak acid?
A little of acid present and a little of it is broken up
What is a dilute strong acid?
A little of acid present and a lot of it is broken up
What is titration?
Where we use a known volume of an unknown acid and a unknown volume of a known acid and find out the concentration of the unknown acid
What pH is neutral?
pH 7
What is an indicator?
A liquid or solid that can be used to rest the pH of something
What colour does Phenolphthalein go in pH 7 or below?
Colourless
What colour does Phenolphthalein go in above pH 7?
Pink
What colour does methyl orange go in below pH 7?
Red
What colour does methyl orange go in pH 7 or above?
Orange
What is the end point of titration?
When the reaction is complete