Edexcel IAL Chemistry AS Significant Figures

Edexcel IAL Chemistry AS Significant Figures
Pearson Edexcel International Advanced Subsidiary/Advanced Level in Chemistry, Issue 1, September 2017Chemistry XCH11/YCH11

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

How this is tested

  • 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.

Question 23(c)(ii)