Q:

1 ml of water has a mass of 1.00 g. Which of the following sets of 3 measurements of the mass of 1 ml of water is the most precise set

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1 ml of water has a mass of 1.00 g. Which of the following sets of 3 measurements

of the mass of 1 ml of water is the most precise set?


  1. 0.98 g, 1.00 g, 1.02 g
  2. 0.99 g, 0.99 g, 0.99 g
  3. 1.00 g, 1.01 g, 1.02 g
  4. 0.99 g, 0.99 g, 1.00 g

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B: precision refers to the repeatability of the measurement. In choice

B, all measurements are the same so are precise.

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