Aqueous Solutions Water containing dissolved substances are aqueous solutions. The dissolving medium is the solvent. The dissolved particles are the solute.

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Presentation transcript:

Aqueous Solutions Water containing dissolved substances are aqueous solutions. The dissolving medium is the solvent. The dissolved particles are the solute. Solutions are homogeneous mixtures. Solute particles will pass through filter paper.

Dissolving of solid sodium chloride. solutesolventsolution

Solvation Miscible: two liquids can dissolve in each other. Ex. water and ethanol Polar solvents will dissolve polar solutes. Non-polar solvents dissolve non- polar solutes. “Like dissolves like”

Electrolytes Compounds that conduct electric current in aqueous solutions or molten state. All ionic compounds, including insoluble ones, are electrolytes. Some molecular compounds can conduct electricity. (HCl, NH 3 ) Strong and weak electrolytes.

non-electrolyte electrolyte

► Section 5.1 Questions 1 -7