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The MOLE

The MOLE. The Mole. Mole: the amount of a substance that contains as many particles as there are in exactly 12g of carbon-12 A mole is similar to a dozen. Avogadro’s Number. Avogadro’s number: the number of particles in exactly one mole of a pure substance

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The MOLE

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  1. The MOLE

  2. The Mole • Mole: the amount of a substance that contains as many particles as there are in exactly 12g of carbon-12 • A mole is similar to a dozen

  3. Avogadro’s Number • Avogadro’s number: the number of particles in exactly one mole of a pure substance • Avogadro’s number = 6.022x1023

  4. The Mole • 1 mol = 6.022 x 1023 atoms • Look it’s a conversion factor! • Convert 2.56 mols of Ca to atoms • Convert 5.63 x 1022molecules of CuBr2to mols

  5. MOLAR MASS

  6. Molar Mass • Molar Mass: The mass of one mole of a substance • Unit for molar mass is g/mol • Molar mass is numerically equal to the average atomic mass in amu

  7. Molar Mass • Molar mass of lithium is 6.941 g/mol or 6.941 g 1 mol • Molar mass is a conversion factor • Convert 2.34 mol of Li to g • Convert 150 g of Pb to mol

  8. Molar Mass • You can also find the molar mass for a molecular compound. • Convert 54.2 g of silver nitrate to mols.

  9. MOLE HIGHWAY

  10. The Mole Highway Mole (mol) Mass (g) Amount of a Substance (atoms)

  11. Using the Mole Highway • Convert .0025 g of potassium to mol • Convert 2.22 x 1021 atoms of copper to mol • Convert 589 g of oxygen to molecules • Convert 5.67 x 1025molecules of zinc nitrate to grams

  12. TRY IT!!!! • Convert 859 g of Co to mol • Convert 9.88 x 1022 atoms of K to mol • Convert 52.67 molof nickel (II) chloride to g • Convert 12.3 g of potassium permanganate to molecules

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