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Edexcel A-Level Chemistry AS B 1 1 Significant Figures Questions

Practise Edexcel IAL Chemistry significant figures by rounding calculated table values, masses and chemistry quantities to precision justified by data or context.

Syllabus
Pearson Edexcel International Advanced Subsidiary/Advanced Level
Course
Chemistry XCH11/YCH11
Level
AS

Exam points

  • Round calculated table entries such as 1/T and Kc to the stated number of significant figures.
  • Choose sensible significant figures from raw data or chemistry context, including integer particle counts.

Edexcel A-Level Chemistry AS B 1 1 Significant Figures Questions question 1

[Maximum number: 1]

The total mass of the bottle is 80.0 kg when it is full of oxygen.

Calculate the mass of an empty bottle, using your working from (c)(i).
Give your answer to an appropriate number of significant figures.

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