Solutions

Flashcards covering key vocabulary and terms related to the preparation and understanding of solutions.

solute

The substance that is dissolved in a solution.

solvent

The substance that dissolves the solute in a solution.

molarity (M)

A concentration measurement expressing the number of moles of solute per liter of solution.

normality (N)

A concentration measurement expressing the number of equivalents of solute per liter of solution.

specific gravity

A method of measuring density, the mass of a substance compared to an equal volume of water.

percent concentration

A measure of concentration defined as parts of solute per 100 parts of solution.

density

The mass of a substance per unit volume.

Avogadro's number

The number of particles in one mole of a substance, approximately $6.022 imes 10^{23}$.

equivalent weight

The mass of a substance that will combine with or replace one mole of hydrogen ions.

parts

A term that gives relationships of substances in a solution without specifying units.

gram molecular weight (gmw)

The mass of one mole of a substance in grams.

milliliters (mL)

A unit of volume equal to one-thousandth of a liter.

milliequivalent

One-thousandth of an equivalent.

hydrate

A compound that contains water in its structure.

solution

A mixture of two or more substances, not in chemical combination.

parts per million (ppm)

A way of expressing very dilute concentrations of substances.

dilution

The process of reducing the concentration of a solute in a solution.