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  • Tips and Tricks Blog
  • Science
    • Biology
      • Natural Selection
    • Chemistry
      • Balancing Chemical Equations
      • Covalent Bonds
      • Energy Diagrams
      • Excited Electrons
      • Flame Test
      • Fusion and Fission
      • Half-Life
      • Heat Transfer
      • Intermolecular Forces
      • Ionic Bonds
      • Isotopes
      • Lewis Dot Structures
      • Matter (Part 1)
      • Matter (Part 2)
      • Organic Chemistry
      • Periodic Table (Part 1)
      • Periodic Table (Part 2)
      • Physical Changes and Chemical Reactions
      • Radioactive Decay
      • Solutions and Separation Methods
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      • What is Chemistry?
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Unit 11: Cleaning Dangers
11.9: Volume

Mole-Volume Relationships

The mass of a gas (grams) is not easy to measure. Chemists will generally use volume (liters) to measure a gas. We can use a standard conversion factor from volume to moles (22.4 Liters = 1 mole). In fact, Avogadro's Law states the following: Avogadro proposed that at equal temperature and pressure, equal volumes of gases will contain equal numbers of particles (atoms of molecules), no matter the size of the particles.

Chemists use a Standard Temperature and Pressure (STP) when doing conversions.
  • STP = 1 degrees C (or 273 K) and 1 atm of pressure.​
At STP, 1 mole of gas occupies a volume of 22.4 L.
  • 22.4 L/mole (22.4 Liters = 1 mole).
    • This also called the "molar volume" of gas
    • 1 mole of ANY gas at STP will take up 22.4 L.
​Watch the videos below to learn how to convert between moles and liters.
​
https://youtu.be/Cy9W82Teiic
​https://youtu.be/MjlYgYPtraE
https://youtu.be/Y8e7T09SKZ0
Copyright © August 2020 Melissa Wells
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  • Home
  • Tips and Tricks Blog
  • Science
    • Biology
      • Natural Selection
    • Chemistry
      • Balancing Chemical Equations
      • Covalent Bonds
      • Energy Diagrams
      • Excited Electrons
      • Flame Test
      • Fusion and Fission
      • Half-Life
      • Heat Transfer
      • Intermolecular Forces
      • Ionic Bonds
      • Isotopes
      • Lewis Dot Structures
      • Matter (Part 1)
      • Matter (Part 2)
      • Organic Chemistry
      • Periodic Table (Part 1)
      • Periodic Table (Part 2)
      • Physical Changes and Chemical Reactions
      • Radioactive Decay
      • Solutions and Separation Methods
      • The Atom
      • What is Chemistry?
    • General Science Topics
      • CER
      • Good Research
      • Graphing
      • Lab Equipment
      • Lab Safety
      • Models
      • Scientific Method
    • Labs
    • Veterinary Science
      • Canine
      • Feline
      • Introduction to Veterinary Science
      • Terminology
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