Uma amostra de ácido propiônico pesando 3,8476g, foi transferida quantitativamente para um balão volumétrico de 500,00ml e devidamente avolumada. Da solução resultante foram retiradas alíquotas de 25,00ml, que consumiram em média 25,02ml de solução 0,1018 N de NaOH na titulação. Qual a %(m/m) de CH3CH2COOH na amostra?
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