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8.1 Purity, formulations and chromatography

8.1 Purity, formulations and chromatography

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Question 10

Bronze-10 and Bronze-20 are dual-component alloy formulations containing copper and tin. The table below shows information about these metallic mixtures:

\begin{array}{|c|c|c|} \hline \textbf{Alloy} & \textbf{Percentage (%) by mass of copper} & \textbf{Percentage (%) by mass of tin} \\ \hline \text{Bronze-10} & 90 & 10 \\ \hline \text{Bronze-20} & 80 & 20 \\ \hline \end{array}

Calculate the mass of tin in 4.75 kg4.75\text{ kg}4.75 kg of Bronze-20. Give your answer in grams (g\text{g}g).

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Markscheme

8.1 Purity, formulations and chromatography Questions

  1. GCSE
  2. /Chemistry
  3. /8.1 Purity, formulations and chromatography

28 exam-style questions on AQA GCSE Chemistry 8.1 Purity, formulations and chromatography, covering 8.1.1 Pure substances, 8.1.2 Formulations, and 8.1.3 Chromatography. Each one has a worked solution and a mark scheme showing where the marks go.

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