4) George and Max are preparing soup. Max puts 1500 g of water into a cooking pot and adds 68 g of the NaCI (MW=58.5 g/mol). a) What will be the boiling point of the solution? (Kb water is 0.51 °C/m) b) How much NaC1 (in gram) should Sam add to the pure water, if they want the freezing point of the soup to be lowered by 5°C, so that it won't freeze at 0 °C? (Kf of water is 1.86 °C/m)

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter13: The Chemistry Of Solutes And Solutions
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4) George and Max are preparing soup. Max puts 1500 g of water into a cooking
pot and adds 68 g of the NaCI (MW=58.5 g/mol).

a) What will be the boiling point of the solution? (Kb water is 0.51 °C/m)

b) How much NaC1 (in gram) should Sam add to the pure water, if they want the freezing point
of the soup to be lowered by 5°C, so that it won't freeze at 0 °C? (Kf of water is 1.86 °C/m)

 

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