Chemistry A-Level
sources of error
What sources of error means in Chemistry A-Level, as defined for AQA.
Definition of sources of error
Check what you remember
Read the wording for your board, then hide it and explain sources of error in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Rinsing the conical flask with acid adds extra moles and raises the titre, and drops falling from the funnel decrease the titre.
Topics that use sources of error
- pH curves, titrations and indicators (A-level only) (AQA A-Level)
Related terms
- concordant titres
- Equivalence point
- Indicator
- Required practical 9
- standard solution
- volume increments
- buffer region
- Colour change range
Using sources of error in the exam
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