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# Science and Technology/Engineering Curriculum Framework - Spring 2001

## Chemistry, Grade 10-11

Additional Ideas for Developing Investigations and Learning Experiences and Suggested Extensions to Learning in Technology/Engineering are in Appendix III.

### Solutions

Broad Concept: Solids, liquids, and gases dissolve to form solutions.

 7.1 Describe the process by which solutes dissolve in solvents.* 7.2 Identify and explain the factors that affect the rate of dissolving, i.e., temperature, concentration, and mixing.* 7.3 Describe the dynamic equilibrium that occurs in saturated solutions. 7.4 Calculate concentration in terms of molarity, molality, and percent by mass. 7.5 Use a solubility curve to determine saturation values at different temperatures. 7.6 Calculate the freezing point depression and boiling point elevation of a solution. 7.7 Write net ionic equations for precipitation reactions in aqueous solutions.

Boldface type indicates core standards for full-year courses. An asterisk (*) indicates core standards for integrated courses.

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