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May 29, 2015

Homework Help: Chemistry

Posted by Curlyqty on Wednesday, May 11, 2011 at 7:57pm.

Given: solubility (g/100g H2O)
temp degrees celcius KBR
20 65
40 80
60 90
80 100
100 110

A solution containing 10.5g of KBr in 10g of H2O at 100 degrees celcius is cooled to 40 degrees celcius.

A)calculate the g/100g H2O of KBr
B)is the solution saturated at 100 degrees celcius?
C) Is the solution saturated at 40 degrees celcius?
D) How much solid is formed during the cooling?

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