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2.3 Ionic bonding

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Question 4

A laboratory technician weighs out anhydrous sodium carbonate, Na2CO3\mathrm{Na_2CO_3}Na2​CO3​, to make a reference solution.

ElementRelative atomic mass
Na23
C12
O16

Use the data in the table to calculate Mr M_r\,Mr​ for sodium carbonate.

[2]
Markscheme

2.3 Ionic bonding Questions

  1. GCSE
  2. /Chemistry
  3. /2.3 Ionic bonding

119 exam-style questions on Edexcel GCSE Chemistry 2.3 Ionic bonding, covering 2.3.1 Ions and the formation of ionic bonds, 2.3.2 Naming and deducing formulae of ionic compounds, and 2.3.3 Giant ionic lattices. Each one has a worked solution and a mark scheme showing where the marks go.

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