Mole Concept in Relation to Avogadro's Number and Mass

Avogadro's number

it tells us the number of particles in one mole of a substance

Avogadro's constant

Another name of Avogadro's number

6.022140857 x 10^23 mol

Avogadro's number is approximately______

dimensionless

Avogadro's number is a _______ quantity.

12, Carbon-12

Avogadro's number is the number of atoms in exactly ____ grams of _____

L or N(subscript)A

it is the designated symbol of avogadro's number

Amadeo Avogadro

Avogadro's number is named in honor of the Italian scientist named ______

proportional

The volume of a gas at a fixed temperature and pressure was ____ to the number of particles it contained.

Jean Perrin

He proposed the Avogadro's number.

number of atoms in 1 gram-molecule of atomic hydrogen

Perrin's value was based on what?

12

The constant was redefined based on the ___ grams of Carbon-12.

Loschmidt constant

In German literature, the number is also called____.

multiplication

operation to be used in converting moles to ions, particles, atoms, or electrons

multiplication

mole to grams

division

grams to mole

division

atoms to mole

it creates a bridge between macroscopic world and microscopic world by relating the number of substance to the number of particles

Importance of Avogadro's constant

physical constants, properties

it provides relationship between other ____ and _______

it tells how many atoms of each element are in a compound

molecular formula

the simplest or most reduced ratio of elements in a compound

empirical formula

it can determine the number of empirical formula of a compound but not the number of molecular formula(other techniques can though)

combustion analysis