Laboratory Balances Practical
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Questions and Answers

What type of balance should be used to achieve an accuracy of ± 0.1 mg?

  • Top-loading balances
  • Analytical balances (correct)
  • Precision balances
  • Compact balances
  • Which balance is suitable for weighings specified to only two or three significant figures?

  • Top-loading balances (correct)
  • Analytical balances
  • Compact balances
  • Precision balances
  • What is the readability of compact balances in grams?

  • Unknown
  • 0.01 g
  • 0.0001 g
  • 0.001 g (correct)
  • When should analytical balances be used according to the text?

    <p>When desiring four or more significant figure accuracy</p> Signup and view all the answers

    Where are the directions for the use of top-loading balances and analytical balances posted?

    <p>In the balance room</p> Signup and view all the answers

    What is the readability of precision balances in grams?

    <p>0.001 g</p> Signup and view all the answers

    When should analytical balances be used?

    <p>For weighings specified to four or more significant figures</p> Signup and view all the answers

    What is the accuracy of top-loading balances in milligrams?

    <p>1 mg</p> Signup and view all the answers

    Which balance should be used when taking crucibles to constant weight?

    <p>Analytical balances</p> Signup and view all the answers

    What type of balance should be used for most weighings of amounts specified to only two or three significant figures?

    <p>Top-loading balances</p> Signup and view all the answers

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