Chemistry - Calculations Involving Masses 0.0 / 5 ? ChemistryCalculations, moles and yieldGCSEEdexcel Created by: x.lily.revisionCreated on: 24-01-22 21:26 Percentage Yield (actual yield/theoretical yield) x 100 1 of 9 Atom Economy (total Mr of desired products/total Mr of all products) x 100 2 of 9 Relative Formula Mass total sum of all the individual atomic masses 3 of 9 Moles moles = mass/Mr 4 of 9 Concentration mass of solute/volume of solution 5 of 9 Molecular Formula empirical formula x (relative formula mass/Mr of compound in question) 6 of 9 Law of Conservation of Mass total mass of reactants = total mass of products 7 of 9 Number of particles avogadro's constant x moles 8 of 9 Maximum Mass Mr of product you want to find x mol of reactant 9 of 9
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