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Calculations involving masses

Calculations involving masses

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Question 69

Calculate the percentage by mass of magnesium in magnesium carbonate, MgCO3\text{MgCO}_3MgCO3​. (relative atomic mass: Mg=24\text{Mg} = 24Mg=24, relative formula mass of MgCO3=84\text{MgCO}_3 = 84MgCO3​=84) Give your answer to the nearest whole number.

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Calculations involving masses Questions

  1. GCSE
  2. /Chemistry
  3. /Calculations involving masses

258 exam-style questions on Edexcel GCSE Chemistry Calculations involving masses. Each one has a worked solution and a mark scheme showing where the marks go.

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