Mole Concept in Chemistry
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Questions and Answers

What is the mole, in the context of chemistry?

  • The Sl base unit for a amount of a chemical species (correct)
  • A unit of measurement for the volume of a gas
  • A unit of measurement for the temperature of a substance
  • A type of chemical bond

    • What is the value of Avogadro's number?

  • 6.022 * 10 ^ 25
  • 6.022 * 10 ^ 24
  • 6.022 * 10 ^ 20
  • 6.022 * 10 ^ 23 (correct)

    • What is the volume of one mole of an ideal gas under STP conditions?

  • 33.6 L
  • 22.4 L (correct)
  • 11.2 L
  • 44.8 L

    • What is the molar mass of a substance?

    <p>The mass in grams of one mole of that substance</p> Signup and view all the answers

    What is the relationship between the number of moles of a substance and its mass?

    <p>Mass of a substance is directly proportional to the number of moles</p> Signup and view all the answers

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