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Physical properties of solutions that depend upon the number but not the kind of solute particles present.

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Dumas Method

A method used to determine the molecular weights of volatile liquids.

Capillary

A tube having a very small inside diameter.

Optical Isomers

Stereoisomers that differ only by being nonsuperimposable mirror images of each other, like right and left hands, also called enantiomers.

Supersaturated Solution

A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.

Active Metal

Metal with low ionization energy that loses electrons readily to form cations.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

Molality

Concentration expressed as number of moles of solute per kilogram of solvent.

Galvanizing

Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion.

 

pH

Negative logarithm of the concentration (mol/L) of the H3O+[H+] ion, scale is commonly used over a range 0 to 14.

Lone Pair

Pair of electrons residing on one atom and not shared by other atoms, unshared pair.