Friday, April 2, 2010

Solutions Chemistry (March 30 2010)

The study of chemical reactions in a solution
A solution is a homogeneous mixture
Solvent are components present in larger amounts
Solutes are componets present in smaller amounts
A solute is soluble in a solvent if it dissolves to form a homogenous mixture
A saturated solution contains as much solute as possible
An unsaturated solution can dissolve more solute
Solubility is the measure of how much solute can dissolve in a given
solution (g/L, g/ml, mol/L, ppm)

The solubility of Ba (NO3)2in water is 63 g/100 mL @ 25 degrees Celcius while
the solubilty of Ba(NO3)2 in alcohol is is 1.6 g/ 100 mL @ 25 degrees Celcius


Factors that affect solubility:
Temperature (heat)
changing solute
changing solvent


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