Potasium Nitrate

The Solubility of Potassium Nitrate Introduction The subprogram of this deform out was to remark how temperature affected the solubility of solid atomic number 19 process that was dictate in disparate re closures. The temperature was non the other involvement that was cosmos varied to observe the solubility of potassium nitrate, the sum up solute was to a fault varied and the kinds of solvents in this examine were varied. The disposition of each solvent switch overs due to the common ion effect which is fundamentally means that the parsimony of a soluble salt is decrease if there is a common ion with that salt. Also potassium nitrate solubility in basic and acidic places was also determined, to contain if it affected the temperature. The moles of KNO3 s/ Kg solvent were needed to forebode the correct molal niggardness. Another goal or purpose of this experiment was to take the heat of solving of each of the different concentrations. The inverse temperatur e and a unidimensional plot of the molal concentration were needed to account this. The linear equation needed to calculate this was In(s)= -(? H/ 2R)(1/T)+(1/2) where R is a constant and T was the temperature. The linear regression molding could also be use to figure the heat of solution.

Where purpose the heat of solution could be of the essence(predicate) is when we are stressful to figure out the enthalpy change of a solution. Procedure The cognitive processs for this experiment were followed as those printed on pages 221-223 of the manual, experiment number 36 (see references). Deviations in this exp eriment from the what was printed in the pro! cedure was that Microsoft excel was needed to give birth the graph preferably of using the graph paper provided at the end of the experiment. info and Results The first eight graphs show the relationship between the temperature of the solution and the nature log of each specialised molal concentration. The NaOH and HCl solvent results were taken from the personal experimental observations not from the averaged results of the...If you want to score a full essay, order it on our website: OrderCustomPaper.com

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