Molality of solution Is 17.28m As the solution cooks, water steadly evaporates and the solution sowy gets more and more concentrated. At the end of cooking, the bailing point temperature is 112 C 5. This is an overall change of °C from the normal boiling point of water (AT,). 6. Using the temperature change above, work backwards to calculate the molality of the solution at the end of the cooking process. The k, for water is 0.52C°/m. AT, = k, x m xI %3D (m)(_ m = 7. Calculate the change in molality from start to finish for the fudge solution. Starting molality = Ending molality = Change in m = %3D Conclusion: 5. After cooking for five minutes, what Pappened to the molality of the fudge? Increased Decreased

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Chapter1: Chemical Foundations
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Molality = 1.04mol/0.0602kg=17.28m
Molality of solutlon Is 17.28m
AS the solubio cooks, water steadly evaporates and the soltion siowy gets more and more concentrated. At the end of cooking, the boiling
point temperature.is 112°C
5. This is an overall change of
°C from the normal boiling point of water (AT,).
6. Using the temperature change above, work backwards to calculate the molality of the solution at
the end of the cooking process. The k, for water is 0.52C/m. AT, = k, x m xI
%3D
)(m)(_
%3D
m3D
7. Calculate the change in molality from start to finish for the fudge solution.
Starting molality:
Ending molality =
Change in m =
Conclusion:
5. After cooking for five minutes, what appened to the molality of the fudge?
Increased
Decreased
Transcribed Image Text:Molality = 1.04mol/0.0602kg=17.28m Molality of solutlon Is 17.28m AS the solubio cooks, water steadly evaporates and the soltion siowy gets more and more concentrated. At the end of cooking, the boiling point temperature.is 112°C 5. This is an overall change of °C from the normal boiling point of water (AT,). 6. Using the temperature change above, work backwards to calculate the molality of the solution at the end of the cooking process. The k, for water is 0.52C/m. AT, = k, x m xI %3D )(m)(_ %3D m3D 7. Calculate the change in molality from start to finish for the fudge solution. Starting molality: Ending molality = Change in m = Conclusion: 5. After cooking for five minutes, what appened to the molality of the fudge? Increased Decreased
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