Exam-Style Volumetric Problems (Leaving Cert Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How many methods can be used for solving volumetric analysis problems?
How many methods can be used for solving volumetric analysis problems?
Two methods
What is a key characteristic of the first principles method?
What is a key characteristic of the first principles method?
Starts with basic definitions
When is the formula method most ideal to use?
When is the formula method most ideal to use?
During exam situations
What is the formula for calculating number of moles from mass?
What is the formula for calculating number of moles from mass?
What is the titration equation formula?
What is the titration equation formula?
How is the original solution concentration found from a diluted solution?
How is the original solution concentration found from a diluted solution?
Multiply by dilution factor
Which apparatus is used to measure accurate volumes of the original solution?
Which apparatus is used to measure accurate volumes of the original solution?
Pipette
After rinsing with deionised water, what should apparatus be rinsed with?
After rinsing with deionised water, what should apparatus be rinsed with?
The solution to be used
Which indicator is suitable for acid-base titrations?
Which indicator is suitable for acid-base titrations?
Phenolphthalein
What is the phenolphthalein colour change at the endpoint?
What is the phenolphthalein colour change at the endpoint?
Pink to colourless
Why does diluting vinegar reduce percentage error in titrations?
Why does diluting vinegar reduce percentage error in titrations?
Increases volume needed
Why is it safer to dilute sodium hydroxide solution?
Why is it safer to dilute sodium hydroxide solution?
It is a caustic substance