Units: grams per mole g/mol or g mol Molar Mass: mass of one mole of particles 6.02 x 10 23 particles 1 mole.

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Presentation transcript:

units: grams per mole g/mol or g mol Molar Mass: mass of one mole of particles 6.02 x particles 1 mole

12.01g 32.07g g 55.85g Periodic Table C S Hg Fe

2 (H) + 1 (O) = 2 (1.01) + 1 (16.00) = g/mol from the PT

6 (C) + 12 (H) + 6 (O) = 6 (12.01) + 12 (1.01) + 6 (16.00) = g/mol

1 (Al) + 3 (O) + 3 (H) = 1 (26.98) + 3 (16.00) + 3 (1.01) = g/mol

1. A mole of hydrogen gas, H 2 (g), contains 6.02 x ________ of H 2 (g) A.molecules B.atoms C.moles D.grams Quick Quiz!

2. The molar mass of fluorine (F) is _________. A.6.02 x mol B g C g/mol D.6.02 x atoms Quick Quiz.

3. Calculate the molar mass of ammonia. A g/mol B g/mol C g/mol D g/mol Quick Quiz. NH 3 1 (N) + 3 (H) = 1 (14.01) + 3 (1.01) = g/mol

4. Calculate the molar mass of ammonium sulfate. A g/mol B g/mol C g/mol D g/mol Quick Quiz. (NH 4 ) 2 SO 4 2 (N) + 8 (H) + 1 (S) + 4 (O) = 2 (14.01) + 8 (1.01) + 1 (32.07) + 4 (16.00) = g/mol