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An investigation to compare and determine the concentrations of some alkalis in saturated solution.
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An investigation to compare and determine the concentrations of some alkalis in saturated solution. Introduction Hydroxides from group 1 of the periodic table are stronger alkalis than those from group 2. Reason being that group 2 hydroxides have lower solubilities. Group1 hydroxides are soluble in water. When these hydroxides undergo titration with acid, the end products are usually salt and water. For example, NaOH (aq) + HCl(aq) H2O + NaCl(aq) An acid based titration is a procedure used to determine concentrations. It involves the neutralization of the base with an acid, both in aqueous solution. It indicates an equivalence point (this can also be termed 'end-point'). This is the point where the colour of the base permanently changes to a pink colour, representing its neutralization. The point is clear to us with the use of an indicator. In this case, the indicator phenolphthalein will be used as Ethanedioic acid is being used. This...
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