chemistry equations

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14 Terms

1
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Henry’s Law

Sgas = Kh x Pgas

2
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molality

mol solute / kg solvent

3
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molarity

mol solute / vol solution

4
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percent by mass

mass solute / mass solution x 100

5
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ppm

mass solute / mass solution x 106

6
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ppb

mass solute / mass solution x 109

7
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parts by volume

volume solute x multiplication factor / volume solution

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solute mol fraction

mol solute / mol solute + mol solvent

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raoult’s law

P solution = X solvent x P solvent

10
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Vapor pressure with multiple components

Pa = Xa x P a

Pb = Xb x Pb

Ptotal = Pa + Pb

11
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freezing point depression

Tf = mKf

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Boiling Point Elevation

Tb = mKb

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osmotic pressure

pi = MRT

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van’t hoff factor

i = moles of particles in solution / moles of formula units dissolved