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Molecular Formulae: The Next Step

Molecular Formulae: The Next Step. What is the empirical formula of:. C 6 H 9 N 3. ratio = __________. C 2 H 3 N. What are the molar masses of the molecular and empirical formulae? . C 6 H 9 N 3 = 123.18 g/ mol. ratio = _______. C 2 H 3 N = 41.06 g/ mol.

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Molecular Formulae: The Next Step

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  1. Molecular Formulae: The Next Step What is the empirical formula of: C6H9N3 ratio = __________ C2H3N What are the molar masses of the molecular and empirical formulae? C6H9N3 = 123.18 g/mol ratio = _______ C2H3N = 41.06 g/mol

  2. Molecular Formulae: The Next Step ________________________________________________ ________________________________________________ ________________________________________________ If a compound has a molar mass of 78.1150 g/mol and an empirical formula of CH, what is the molecular formula? empirical mass = _____________ mass ratio = _________ formula ratio = ___________ molecular formula = __________

  3. Molecular Formulae: The Next Step Caffeine is my life blood! Give the empirical and molecular formulae based on: 40.09g C, 4.172g H, 23.41g N, and 13.37g O. The molar mass of caffeine is 194.19 g/mol

  4. Molecular Formulae: The Next Step Caffeine is my life blood! Give the empirical and molecular formulae based on: 40.09g C, 4.172g H, 23.41g N, and 13.37g O. The molar mass of caffeine is 194.19 g/mol ________ = _________ mass ratio = _________ formula ratio = ________ molecular formula = ____________

  5. Molecular Formulae: The Next Step Give the empirical and molecular formulae for a compound based on: 6.85g C, 0.432g H, 3.41g O, and 11.4g Br. The molar mass of the compound is 929.88 g/mol

  6. Molecular Formulae: The Next Step Give the empirical and molecular formulae for a compound based on: 6.85g C, 0.432g H, 3.41g O, and 11.4g Br. The molar mass of the compound is 929.88 g/mol ___________ = ___________ mass ratio = _________ formula ratio = ________ molecular formula = ______________

  7. The mole 81.534 grams of water is equivalent to how many moles of water?

  8. The mole Only 2 options of what to do with the mole: mole mole

  9. The mole Only 3 options of what to do with the mole: 2 places to find a mole-to-mole ratio:

  10. The mole Only 2 options of what to do with the mole:

  11. Avogadro’s # The mole Only 2 options of what to do with the mole: mole particles molar mass mole mass mole-to-mole ratio mole “X” mole “Y”

  12. The mole How many ATOMS of nitrogen are in 6.119 moles of ammonium sulfide?

  13. _______________________________________ _______________________________________ _______________________________________ _______________________________________ Step 1: ___________________________________ Step 2: ___________________________________ Step 3: ___________________________________

  14. A sample of aluminum bicarbonate contains 1.75 grams of carbon, how many molecules of aluminum bicarbonate are present?

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