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The big picture

The big picture

Flowchart showing routes between chemical formula, relative formula mass, masses, moles, balanced equation ratios and empirical formula

Mass calculations connect a chemical formula, a balanced equation and measured masses. You choose the route that matches the question: formula to MrM_rMr​, mass to moles, or percentage composition to empirical formula.

Calculations involving masses Lesson

  1. GCSE
  2. /Combined Science
  3. /Calculations involving masses

Step-by-step lessons covering Edexcel GCSE Combined Science Calculations involving masses for Foundation and Higher tier. Each lesson works through exam-style questions.

Lessons