AUSTIN POWERS-THE MOLE

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Presentation transcript:

AUSTIN POWERS-THE MOLE

THE MOLE

WHAT IS A MOLE? Commonly abbreviated mol It’s a number used to count things 1mol = 6.02 × (Avogadro's number)

WHAT KINDS OF THINGS? Number of atoms in an element Number of formula units in an ionic compound Number of molecules for a compound that is covalently bonded

TOM LEHRER-THE MOLE SONG

EXAMPLE 1 Determine the number of atoms in 3.50 mol of aluminum (Al)?

EXAMPLE 2 Given 4.25 mol of sodium chloride (NaCl), determine the number of formula units?

EXAMPLE 3 Calculate the number of molecules in 12.6 mol of sulfer dioxide (SO 2 ).

EXAMPLE 4 How many moles are in 6.75 × atoms of nickel (Ni)?

EXAMPLE 5 How many moles are in 1.25 × molecules of carbon dioxide (CO 2 )?

EXAMPLE 6 How many moles are in 6.78 × formula units of magnesium chloride (MgCl 2 )?