Chm 206 Experiment 1 Results 23 January 2020
Enter your name and your lab partner's name *
Your answer
Enter your NORMAL lab station -- without spaces. *
Use the format: 1A, 1B, 2A, 2B, 3A, etc.
Your answer
1. (1 pt) What was T(initial) for the 3.0 molal NaCl solution in your first experiment, followed by “oC”?
Your answer
2. (1 pt) What was T(final) for the 3.0 molal NaCl solution in your first experiment, followed by “oC”?
Your answer
3. (2 pts) What was delta-T for water vs. 3.0 molal NaCl? Record this as an absolute value and followed by “deg”.
Your answer
4. (2 pts) What was delta-T for water in your first experiment? Record this as an absolute value and followed by “deg”.
Your answer
5. (2 pts) Which had the lower vapor pressure, pure water or 3 m NaCl(aq)?
6. (1 pt) What was delta-T for the solution of unknown concentration in the second experiment? Record this as an absolute value and followed by “deg”.
Your answer
7. (1 pt) What was delta-T for water in your second experiment? Record this as an absolute value and followed by “deg”.
Your answer
8. (2 pts) Did you determine that the unknown solution had a higher or lower molality than the 3.0 m NaCl(aq) solution?
9. (2 pts) In the third experiment in which the 3.0 m NaCl solution was matched against the unknown solution, did the results confirm what you predicted based on Experiments 1 and 2?
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