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Edexcel IAL Chemistry 3.P13 Apparatus range and resolution

Estimate the likely maximum reading and smallest meaningful change, then compare both with instrument capacity and graduation before selecting the setup.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Reject apparatus when the expected gas volume exceeds its measurement range.
  • Explain an unchanged reading through insufficient instrument resolution.
  • Compare apparatus by linking scale or collection design to measurement accuracy.

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