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Avogadro's Number: Using the Mole to Count Atoms

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

A piece of aluminum foil has a mass of 27 grams. About how many atoms does this contain?

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1. A computer chip contains 1.20 x 10^23 atoms of silicon. What is its mass?

2. A piece of copper wire contains 5 moles of copper atoms. What is its mass?

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About This Quiz & Worksheet

It would be impractical to work on problems about quantities of atoms if you had to do so in single units of atoms. Thus, this worksheet-quiz set has been assembled to assess your ability to work in units of moles.

Quiz & Worksheet Goals

Evaluate your knowledge and skills with questions on the following:

  • Converting between individual units and moles
  • Using moles to convert between measures of mass and the number of atoms in a sample
  • Converting between moles and measures of mass

Skills Practiced

Use these assessments to also practice:

  • Critical thinking - apply relevant concepts to examine information about the quantity of samples in a different light
  • Interpreting information - verify that you can read information regarding moles and interpret it correctly
  • Problem solving - use acquired knowledge to convert the quantity of a sample into different units

Additional Learning

Review the lesson that comes with this worksheet and quiz, titled Avogadro's Number: Using the Mole to Count Atoms, to improve your abilities working with moles. The objective of this review is for you to:

  • Understand the concept of a mole
  • Be able to convert between moles and the number of units (atoms)
  • Be able to convert between moles and measures of mass
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