A K2SO4 solution is prepared by weighing out a certain amount of the pure solid reagent, dissolving it to 500.0 mL in a volumetric flask. An aliquot was taken from this solution. of 25.00 ml and diluted to 500.0 ml. An aliquot of 5.00 was taken from this new solution and diluted to 50.00 ml. A chemical analysis of this new solution showed a 0.100%(w/v) in K+. Calculate the weight of the pure solid K2SO4 used for the preparation of the original solution. and its concentration in each volumetric flask

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Chapter7: Solutions And Colloids
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A K2SO4 solution is prepared by weighing out a certain amount of the pure solid reagent,
dissolving it to 500.0 mL in a volumetric flask. An aliquot was taken from this solution.
of 25.00 ml and diluted to 500.0 ml. An aliquot of 5.00 was taken from this new solution and
diluted to 50.00 ml. A chemical analysis of this new solution showed a 0.100%(w/v)
in K+. Calculate the weight of the pure solid K2SO4 used for the preparation of the original solution.
and its concentration in each volumetric flask. The answer is 2.23x10^2g

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