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Calculations involving masses

Calculations involving masses

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Question 115

Calculate the total number of atoms in 13.5 g of ethylamine, C2H5NH2\text{C}_2\text{H}_5\text{NH}_2C2​H5​NH2​.

(relative formula mass: C2H5NH2=45\text{C}_2\text{H}_5\text{NH}_2 = 45C2​H5​NH2​=45; Avogadro constant = 6.02 × 1023)

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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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