Cloned from: Chemsitry Formulas

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Raoult's Law
Vapor Pressure of solution a in a solution is equal to the (MOLE FRACTION a x VP of PURE SOLVENT a)
moles solute /kg solvent
moles of solute/ liter of solution
Mole Fraction
moles of solute/total moles in solution
Mass Percent
mass of solute/mass solvent
Parts Per Million
(mass solute/mass solvent) x (10^6)
Parts Per Billion
(mass solute/mass solvent) x (10^9)
Osmotic Pressure
Π = iMRT, where i is the number of molecules it splits into M is molarity R is gas constant T is temp in K
To find the total vapor pressure of a solution
Add up the partial pressures using Raoult's law.
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