Chemistry Solutions and Formulas

Flashcards covering key vocabulary related to chemical solutions, formulas, and calculations.

Formula Mass

The sum of the atomic weights of the atoms in a chemical formula.

Ionic Compounds

Compounds composed of three-dimensional order of ions, using empirical formulas.

Formula Weight (FW)

The sum of the atomic weights for the atoms in a chemical formula.

Percent Composition

The percentage by mass of each element in a compound.

Molarity

The number of moles of solute per liter of solution.

Dilution

The process of reducing a solution's concentration by adding solvent.

Solute

The component of a solution present at a lower concentration than the solvent.

Concentration

The relative amount of a component in a solution.

Empirical Formula

A formula that shows the simplest whole-number ratio of the elements in a compound.

Molecular Formula

A formula that shows the actual number of atoms of each element in a molecule.

Parts per Million (ppm)

A unit of concentration that expresses the mass of solute in a million mass units of solution.

Mass Percentage

The ratio of the mass of a component to the total mass of the solution, expressed as a percentage.

Molar Mass

The mass of one mole of a substance, usually expressed in grams per mole.

Mole Ratio

The ratio of the number of moles of one substance to the number of moles of another substance.

Aqueous Solution

A solution in which water is the solvent.