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Enlist the advantage using standard solutions. |
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Answer» Solution :(i) The error DUE to WEIGHING the SOLUTE can be minimised by using concentrateed stock solution that requirs large quantity of solute (ii)We can prepare working standard of different concentrations by diluting the stock solutions which is more efficient since consistency is maintained. (III) Some of the concentrated solutions are more stable and are less likely to support microbial growth than working standards used in the experiments. |
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