Solubility and Ionic Strength

Essay # 1966

Chemistry

A laboratory analysis concerning the solubilities of various solutions containing different ionic strengths.

1,722 words () | 2 sources | 2001 United States

From the Paper:

"Determined in this experiment were the solubilities and mean activity coefficients of various solutions containing different ionic strengths. These measurements were achieved by the simple distillation of calcium iodate solutions against thiosulphate and a starch indicator. The data obtained from these results led to the determination of the concentrations of the calcium salt, the concentration of the iodate salt, C, u, u1/2 and [2A(u)1/2]/[1 + B(u)1/2]. A plot of log10C versus [2A(u)1/2]/[1 + B(u)1/2] allowed for the calculation of K. The value of K obtained was 1.0789 x 10-6 + 0.0037. Three different values of the mean activity coefficients were tabulated. From the tabulated values it was observed that the experimental values were larger than the theoretical values."