Name Post-Laboratory Questions (Use the spaces provided for the answers and additional paper if necessary.) 1. Define the solubility of a substance. 2. Convert your experimental solubility of KHT (in mol L-1) to g KHT per 100 mL. Compare this solubility to the literature value, obtainable from a chemistry handbook. 3. Given the following solubility vs. temperature data for two compounds, answer the questions below. Compound A temperature, °C 25.0 26.7 30.8 41.7 48.0 63.0 solubility, mol L- 5.60 5.81 6.23 6.46 6.71 7.27 Compound B temperature, °C 25.0 38.6 43.4 49.0 52.0 56.2 60.0 67.2 solubility, mol L- 3.54 6.28 7.17 8.37 9.13 10.0 11.2 12.6 (1) On graph paper, plot solubility vs. temperature for both compounds on one set of axes. (2) Which compound's solubility is more affected by changes in temperature? Explain. (3) For each compound, determine the percent error in calculated solubility if the determination was supposed to have been made at 25°C, but the stirring motor actually heated the solution to 35 °C.

Name Post-Laboratory Questions (Use the spaces provided for the answers and additional paper if necessary.) 1. Define the solubility of a substance. 2. Convert your experimental solubility of KHT (in mol L-1) to g KHT per 100 mL. Compare this solubility to the literature value, obtainable from a chemistry handbook. 3. Given the following solubility vs. temperature data for two compounds, answer the questions below. Compound A temperature, °C 25.0 26.7 30.8 41.7 48.0 63.0 solubility, mol L- 5.60 5.81 6.23 6.46 6.71 7.27 Compound B temperature, °C 25.0 38.6 43.4 49.0 52.0 56.2 60.0 67.2 solubility, mol L- 3.54 6.28 7.17 8.37 9.13 10.0 11.2 12.6 (1) On graph paper, plot solubility vs. temperature for both compounds on one set of axes. (2) Which compound's solubility is more affected by changes in temperature? Explain. (3) For each compound, determine the percent error in calculated solubility if the determination was supposed to have been made at 25°C, but the stirring motor actually heated the solution to 35 °C.

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.44E

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