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Yuliya22 [10]
3 years ago
6

A student calculated the volume of a solid metal bar by volumetric displacement of water. The student calculated a volume of 22.

7 cm3. The actual volume of the bar is 19.3 cm3. Determine the percentage error for this student's calculation.
Chemistry
1 answer:
jok3333 [9.3K]3 years ago
8 0

Answer:

17.6% is the percentage error

Explanation:

The percentage error is used to determine accuracy of a measurement (That is, how closely is the measure to the real or theoretical value). The equation is:

|Measure - Real| / Real * 100

In the problem, the measure was 22.7cm³ and real value is 19.3cm³. Solving for percentage error:

|22.7cm³ - 19.3cm³| / 19.3cm³ × 100

<h3>17.6% is the percentage error</h3>
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