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Calculating Grams of Potassium Oxide for Oxygen Production via Stoichiometry

This guide walks you through the stoichiometric calculation needed to determine how many grams of potassium oxide (K2O) are required to produce 4.18 grams of oxygen (O2). We start with the balanced chemical equations for the reaction involving potassium oxide and fluorine, examining the mole relationships and converting quantities between grams and moles. We follow the Law of Conservation of Mass by ensuring all calculations align with both the initial reactants and final products. Step-by-step calculations and methods are provided for clarity.

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Calculating Grams of Potassium Oxide for Oxygen Production via Stoichiometry

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Presentation Transcript

  1. StoichiometryKathleen Thorr KF+O

  2. How many grams of Potassium Oxide are needed to produce 4.18g of Oxygen??

  3. Write a complete and balanced chemical equation • K2O +2F -----> 2K F+ O2 • 2K2O +4F ----> 4KF + O2

  4. Draw a column after each chemical

  5. Write the amount given in the correct column

  6. Convert the amount given into moles

  7. Do the math and label as moles

  8. Convert all moles into grams

  9. Verify the Law of Conservation

  10. Answer

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