NO 2 ⇄ N 2 O 4. -  Solution - homogeneous mixture Solvent – dissolving medium (dissolver) Solute - substance being dissolved (present in greatest amount)

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Presentation transcript:

NO 2 ⇄ N 2 O 4

-  Solution - homogeneous mixture Solvent – dissolving medium (dissolver) Solute - substance being dissolved (present in greatest amount) A. Solution Formation

Types of Solutions: SoluteSolventExample Gas Air (O 2 & CO 2 in Nitrogen) LiquidGas Water in Air GasLiquid Soda Liquid Vinegar (acetic acid in water) SolidLiquid Salt in water Solid Stainless Steel (Cr & Ni in Iron) A. Solution Formation

IMAFs between solute–solvent must form IMAFs between solute–solute solvent–solvent must break Greater solubility: stronger IMAFs solute–solvent

Strong Electrolyte Non-Electrolyte ALL ions from ionic compounds - + salt NaCl - + sugar C 12 H 22 O 11 ALL molecules from molecular compounds Electrolyte: forms ions to conduct in solution A. Solution Formation

Solubility in 100 g of Water at 20 o C CompoundSolubility (g) Table Salt (NaCl) 36.0 g Baking Soda (NaHCO3) 9.6 g Table Sugar (C 12 H 22 O 11 ) g B. Solubility SSolubility mmaximum mass of solute that will dissolve in a given amount of solvent at a given temperature (0.62 mol) (0.11 mol) (0.59 mol)

SATURATED max solute dissolved UNSATURATED less solute than max dissolved SUPERSATURATED more than max solute dissolved concentration B. Solubility

SATURATED max solute dissolved UNSATURATED less solute than max dissolved SUPERSATURATED more than max solute dissolved concentration B. Solubility

SATURATED max solute dissolved UNSATURATED less solute than max dissolved SUPERSATURATED more than max solute dissolved concentration B. Solubility

SATURATED max solute dissolved UNSATURATED less solute than max dissolved SUPERSATURATED more than max solute dissolved concentration B. Solubility

1)Compounds that partially dissociate (or ionize) into solutions of ions and molecules that partially conduct are … A)non-electrolytes B)weak electrolytes C)strong electrolytes D)gatorade WS Solutions & Solubility #1-9

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