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Glossary of Chemistry 130

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Solvent
component that is present in the solution in the greatest amount
Solute
component(s) that are present in the solution in the lesser amount
Solutions
homogeneous mixture (uniformed throughout)
molarity(M)
moles solute/liter solution
percent by mass(mass percent)
mass solute/mass solution x 100
percent by bolume(volume percent)
colume solute/volume solution x 100
mass/volume percent
mass solute(g)/volume solution(ml) x 100
parts per million ppm
used for dilute solutions
mass solute(g)/mass solution(ml) x 10^6
mg/L=how you get ppm ration without 10^6
parts per billion ppb
mass solute(g)/mass solution(ml) x 10^9
microgram/L=get it without 10^9
parts per trillion ppt
mass solute(g)/mass solution(ml) x 10^12
ng/L=get it without 10^12
molality(m)
moles solute/kg solvent
(not vary with temperature)
-only one with solvent on bottom other have solution
mole fraction
xnacl=molesnacl/total moles

total moles=moles of nacl+moles of h2o
mole percent
mole fraction x 100%=na/nt=pa/pt-must be gas to find partial pressure

Xnacl+XH2O=1.0 always

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