REPORTER: VALLERIE CASTRO BEED 1-3 DAY

MOLE CONCEPT

In chemistry the mole is a fundamental unit in the Symtème international d'unites, the SI symtem and it used to measure the amount of substance. This quality is sometimes referred to as the chemical amount. In Latin mole means a “Massive Heap" of material. It is convinient to think of a chemical mole as such

A Mole Is: *6.02 x 10²³ of anything. *The formula mass in grams of a substance contains one mole particles. *Na=Avogadro's Number= 6.02 x 10²³ Spreading a “Mole" of marbles over the entire surface of the earth would produce layer about three miles thick

When will the world's computers have a mole of digital data stored in them

Important mole conversion factors. 1 Mole=6.02 x 10²³ Particles=Formula

Mass in Grams. Molar Mass-The mass of a single atom of an element (in amu) is numerically equal to the mass of one mole of those atoms (in grams)

From the Periodic Table, The Mass of one atom of chromium is 51.9961 amu. The mass of one mole (6.02 x 10²³) of chromium atoms is 51.9961 Grams

Example

2Mg(s) + O2(g)→2MgO(s) The balanced equation above shows that the product 2 molecules of magnesium oxide.