Abstract
The apparent molar volumes, V φ , of two series of homologous aliphatic carboxylic acids, H(CH2) n COOH [n=0–5] and (CH2) n (COOH)2 [n=0–5], were determined in dilute aqueous solutions by density measurements at T=298.15 K. Densities were measured using a vibrating-tube densimeter (DMA 5000, Anton Paar, Austria) at T=298.15 K. These results were used to calculate the apparent molar volumes of each solute over the concentration range 0.0050≤m/(mol⋅kg−1)≤0.3000. Values of the apparent molar volumes of undissociated acids \(V_{\phi (u)}^{0}\) were also calculated. The variation of \(V_{\phi (u)}^{0}\) was determined as a function of the aliphatic chain length of the studied carboxylic acids.
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Bald, A., Kinart, Z.: Private communication
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Bald, A., Kinart, Z. Volumetric Properties of Some Aliphatic Mono- and Dicarboxylic Acids in Water at 298.15 K. J Solution Chem 40, 1–16 (2011). https://doi.org/10.1007/s10953-010-9621-y
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DOI: https://doi.org/10.1007/s10953-010-9621-y