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Amount of substance, yield and atom economy Typeit
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Chemical reactions can be represented by balanced symbol using the law of . This law means that the sum of the relative of the reactants is equal to that of the . Apparent large changes in mass are usually explained by the failure to account for the mass of products or reactants. However, there will probably always be a small degree of about results whenever measurements have been made. The of a solution can be determined if its volume and the mass of solute used are known.