9
AssignmentMultiple Choice

Using Math to Analyze Data

Question 9 • TX-Chemistry A

Which tool has the greatest degree of precision?

Answer
A
a beaker with markings every 50 mL
B
a flask with markings every 25 mL
C
a graduated cylinder with markings every 1 mL
D
a pipette with markings every 0.1 mL

Explanation

Precision depends on the smallest volume increment the tool can measure: smaller increments allow more precise readings. The pipette’s markings are every 0.1 mL, finer than the graduated cylinder’s 1 mL markings and the larger increments on the beaker and flask. Therefore, the pipette has the greatest degree of precision.

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