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Moles. Review of Moles. Molar Mass – Mass of one mole of any substance . Found by using the masses on the periodic table. How do find the molar mass of sodium oxide?. Converting Moles to grams. Keep in mind: Moles are small numbers; grams are large numbers.

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review of moles
Review of Moles

Molar Mass – Mass of one mole of any substance.

Found by using the masses on the periodic table.

How do find the molar mass of sodium oxide?

converting moles to grams
Converting Moles to grams

Keep in mind: Moles are small numbers; grams are large numbers.

How do you convert 3.5 moles of sodium oxide to grams?

converting grams to moles
Converting Grams to Moles

How do I convert 78.5 g of sodium oxide to moles?

converting to atoms formula units molecules
Converting to Atoms/Formula Units/Molecules

Ionic compounds (Na2O) are called formula units.

Molecular compounds (C2H6) are called molecules.

Atoms (Al) don’t change. Equal to atomic mass from periodic table.

1 mole of atoms/formula units/molecules = Avogadro’s number. (remember mole day???)

1 mole = 6.02 x 1023atoms/formula units/molecules

Therefore, molar mass of XY = 6.02 x 1023 molecules of XY

converting to atoms formula units molecules1
Converting to Atoms/Formula Units/Molecules

How do I convert 3.5 moles of sodium oxide to formula units?

assignment
Assignment

P.210 – 211

# 9,13,14,15,19,20,21,23,25 (blue only)

CPQ tomorrow

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