Molar Mass Quiz

The _________ of a substance is the mass (in grams) of 1 mole of the substance.

name

The molar mass of substance can be obtained by __________________ the atomic masses of the component atoms.

multiplying

Avogadro's Number

The number of units in a mole = 6.022 X 10^23

Atomic Mass Unit (amu)

A smallunit of mass equal to 1.66 X 10^-24 grams

Average atomic mass

the weighted average of the atomic masses of the naturally occurring isotopes of an element

Molar Mass

The mass in grams of one mole of a compound

Mass Percent

the percent by mass of a given element in a compound

Empirical Formula

The smallest whole-number ration of the atoms in a compound

Molecular Formula

The actual number of atoms of each element in a molecule