a) Consider that you have taken copper II sulfate pentahydrate (write the formula first) (65.25 g) and you dissolved it in the necessary amount of water in order to obtain 0.800 L of its solution. Calculate the amount of this prepared solution that should be used in order to prepare 0.100 M of copper sulfate solution (V= 1L).  b) What is the amount of water (kg) required to dissolve 292.5g of NaCl to produce 0.50 m of the aqueous solution? (m: molality)

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Chapter12: Solutions
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Problem 12.96QP: A sample of aluminum sulfate 18-hydrate, Al2(SO4)3. 18H2O, containing 125.0 mg is dissolved in 1.000...
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a) Consider that you have taken copper II sulfate pentahydrate (write the formula first) (65.25 g) and you dissolved it in the necessary amount of water in order to obtain 0.800 L of its solution. Calculate the amount of this prepared solution that should be used in order to prepare 0.100 M of copper sulfate solution (V= 1L). 

b) What is the amount of water (kg) required to dissolve 292.5g of NaCl to produce 0.50 m of the aqueous solution? (m: molality)

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