Category Archives: Titrimetry

Titrimetic Analysis of Mixtures

Shown below is a titration curve for a mixture of two monoprotic weak acids, HA and HB, where pKa,HA = 4.00 and pKa,HB = 8.00.  The titrant is 0.200 M NaOH. (a) Briefly explain how you can tell that this … Continue reading

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Titration Curve for Amino Acid

Shown below is a potentiometric titration curve for a 0.050-g sample of an amino acid dissolved in water and titrated with 0.100 M NaOH. Based on this titration curve, answer the following questions: (a) How many titratable acid/base sites does … Continue reading

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Titrimetric Analysis of Amino Acids

The quantitative titrimetric analysis of amino acids often is complicated by the high pKa of the —NH4+ group, which produces a titration break that is too small for the effective use of a visual indicator. There are several ways to … Continue reading

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Complexometric Titration of CaO in Limestone: Analysis of Procedure

In the EDTA titration for CaO in limestone, the pH of the sample is made sufficiently basic so any magnesium thatis present will precipitate as Mg(OH)2. The adjustment of pH is fairly critical, as complications  arise if the solution is … Continue reading

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