TABLE 1 CHARACTERISTICS OF COMPOUNDS Solubility Melting Solubility in in H20 Compound Description point ethanol Aspirin Sodium chloride Sucrose Analysis 1. Organizing Results Group the substances into two groups according to their properties. 2. Organizing Results List the properties of each group. Conclusions 1. Inferring Conclusions Use your textbook and your experimental data to determine which of the groups consists of ionic compounds and which consists of covalent compounds. 2. Relating Ideas Write a statement to summarize the properties of ionic compounds and another statement to summarize the properties of covalent compounds.
Instruction: Imagine that you are performing an experiment pertaining to
NOTE: JUST WRITE YOUR PROPOSED ANSWER.
OBJECTIVES
- Compare the melting points of four solids. - Determine the solubilities of the solids in water and in ethanol.
- Classify the compounds into groups of ionic and covalent compounds.
- Summarize the properties of each group.
MATERIALS
Ice tray
Stove
Frying pan
Dropper
Aluminum foil
Distilled water (Absolute, green cover)
Sodium chloride (NaCl, Salt)
Aspirin (C3H804, Aspilet 80mg tablet)
Sucrose (C12H22011, Sugar)
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