Question
Una muestra de 10,0 mL de CH3CH2COOH(aq) 0,75 M se titula con 18,0 mL de NaOH(aq) 0,30 M (agregando NaOH a CH3CH2COOH). Determine en qu
Una muestra de 10,0 mL de CH3CH2COOH(aq) 0,75 M se titula con 18,0 mL de NaOH(aq) 0,30 M (agregando NaOH a CH3CH2COOH). Determine en qu regin de la curva de titulacin se encuentra la mezcla producida y el pH de la mezcla. Ka de CH3CH2COOH es 1,3 \times 105.
Ecuacin de Henderson-Hasselbalch: LaTeX: pH=pK_a+\log\frac{\left[base ight]}{\left[acid ight]} p H = p K a + log [base] [cido]
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1) Despus de agregar la solucin de NaOH, la mezcla est (antes, despus, en) el punto de equivalencia en la curva de titulacin.
2) El pH de la solucin despus de agregar NaOH es (4.48, 5.30, 8.70, 7.00) .
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