* GCSE/IGCSE & basic GCE-AS Chemical Calculations - % Composition of Compounds by Mass at Doc Brown's*
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Doc Brown's Chemistry - Chemical Calculations
On-line Quantitative Chemistry Calculations Online practice exam chemistry CALCULATIONS and solved problems for KS4 Science GCSE/IGCSE CHEMISTRY and basic starter chemical calculations for A level AS/A2/IB courses * EMAIL query?comment or request for type of GCSE calculation? |
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The % by mass composition of a compound in terms of its constituent elements is calculated as follows: (i) Calculate the formula or molecular mass of the compound (ii) Calculate the mass of the element in the compound, taking into account the number of atoms of the element in the compound formula (iii) Calculate (ii) as a percentage of (i)
Self-assessment Quizzes [pbm] type in answer
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