1. Listed below are solubility-vs.-temperature data for an organic substance A dis- solved in water. Temperature (°C) Solubility of A in 100 mL of Water (g) 1.5 20 3.0 40 6.5 60 11.0 80 17.0 a. Graph the solubility of A vs. temperature. Use the data given in the table. Connect the data points with a smooth curve. b. Suppose 0.1 g of A and 1.0 mL of water were mixed and heated to 80°C. Would all of substance A dissolve? c. The solution prepared in (b) is cooled. At what temperature will crystals of А appear? d. Suppose the cooling described in (c) were continued to 0°C. How many grams of A would come out of solution? Explain how you obtained your answer.

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1. Listed below are solubility-vs.-temperature data for an organic substance A dis-
solved in water.
Temperature
(°C)
Solubility of A in
100 mL of Water (g)
1.5
20
3.0
40
6.5
60
11.0
80
17.0
a. Graph the solubility of A vs. temperature. Use the data given in the table.
Connect the data points with a smooth curve.
b. Suppose 0.1 g of A and 1.0 mL of water were mixed and heated to 80°C.
Would all of substance A dissolve?
c. The solution prepared in (b) is cooled. At what temperature will crystals of
А appear?
d. Suppose the cooling described in (c) were continued to 0°C. How many grams
of A would come out of solution? Explain how
you
obtained
your answer.
Transcribed Image Text:1. Listed below are solubility-vs.-temperature data for an organic substance A dis- solved in water. Temperature (°C) Solubility of A in 100 mL of Water (g) 1.5 20 3.0 40 6.5 60 11.0 80 17.0 a. Graph the solubility of A vs. temperature. Use the data given in the table. Connect the data points with a smooth curve. b. Suppose 0.1 g of A and 1.0 mL of water were mixed and heated to 80°C. Would all of substance A dissolve? c. The solution prepared in (b) is cooled. At what temperature will crystals of А appear? d. Suppose the cooling described in (c) were continued to 0°C. How many grams of A would come out of solution? Explain how you obtained your answer.
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