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Calculations involving masses

Calculations involving masses

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Question 89

Calculate the mass, in g, of a single helium atom, using the data below.

  • Relative atomic mass (He)=4.0\text{Relative atomic mass (He)} = 4.0Relative atomic mass (He)=4.0
  • Avogadro constant=6.02×1023\text{Avogadro constant} = 6.02 \times 10^{23}Avogadro constant=6.02×1023 per mole

Give your answer in standard form to 3 significant figures.

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Markscheme

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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