Bioscience Chapter 3 Vocabulary/ Solutions

Front

Solution

Back

a mixture

of two or more substances where

one (solute) completely dissolves in

the other (solvent)

Front

aqueous

Back

describing

a solution in which the solvent is

water

Front

solute

Back

the substance in

a solution that is being dissolved

Front

Solvent

Back

the substance

that dissolves the solute

Front

molarity

Back

a mea-

sure of concentration that

represents the number of moles

of a solute in a liter of solution (or

some fraction of that unit)

Front

mole

Back

the mass, in grams,

of 6 × 1023 atoms or molecules

of a given substance; one mole is

equivalent to the molecular weight

of a given substance, reported as

grams

Front

molecular weight

Back

the sum of all of the

atomic weights of the atoms in

a given molecule

Front

mass spectrometer

Back

an instrument

that is used to determine the

molecular weight of a compound

Front

acid

Back

a solution that has

a pH less than 7

Front

base

Back

a solution that has

a pH greater than 7