Antaresti Setiyadi
Van't Hoff equation parameters for calculating the boiling point rise elevation is limited for dilute solution, the objective of this research therefore was to study the estimation of Van't Hoff parameter for concentrated solution. Experiments were carried out using various salt which has different valence at various molality. The result showed that the parameter values were influenced by strength of acidity or basicity of of the salt formed as well as the solution molality. The salt formed from a strong acid with a strong base affects the P parameter but the salt formed from a weak acid with a weak base does not affect the parameter P. The error level of equation P = a + m / b for all type of salt at different molality were insignificance. The smallest error of salt is FeSO4 5.7% and the biggest of salt error is Al2(SO4)3 13.76%. © 2006-2018 Asian Research Publishing Network (ARPN).
Department of Chemical engineering, Widya Mandala Catholic University Surabaya, Surabaya, East Java, Indonesia
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