1. A solution is made by dissolving 3.35 grams of an unknown salt in 150 mL of w

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1.       A solution is made by dissolving 3.35 grams of an unknown salt in 150 mL of water (at 22.5 deg. C) , and the temperature of the            water rose to 23.81 deg. C.  Addition of silver nitrate solution results in a precipitate.  Assuming that the heat capacity of the solution   is the same as pure water, use the information found in the table titled

Enthalpies of solution at 25 degree C of selected ionic compounds in water (in KJ/mol) The values of delta Hsoln for some command substance are given in . The sign and the magnitude of delta Hsoin depend on specific attractive and repulsive interaction between the solute and the solvent, factors that will be discussed in . When ( delta Hsoln > 0), as you can see from the data in. Substance with large positive or negative enthalpies of solution have commercial

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