Moles and Avogadro's Number

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Questions and Answers

Which of the following is the unit of measurement for the number of moles of a substance?

  • Molecules
  • Liters
  • Grams (correct)
  • Atoms

What is Avogadro's number?

  • The number of molecules in a liter of a substance
  • The number of atoms in a mole of a substance (correct)
  • The number of grams in a mole of a substance
  • The number of moles in a gram of a substance

What is the relationship between the number of moles and the number of particles in a substance?

  • Inversely proportional
  • Directly proportional (correct)
  • No relationship
  • Exponential relationship

True or false: Avogadro's number represents the number of atoms in one mole of a substance?

<p>True (A)</p> Signup and view all the answers

True or false: The unit of measurement for the number of moles of a substance is grams?

<p>False (B)</p> Signup and view all the answers

True or false: Moles are used to determine the mass of a substance?

<p>True (A)</p> Signup and view all the answers

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