During an investigation, a student determines that a copper sample has a density of 8.10 g/mL. What is the student's percent error if the accepted density for copper is 8.96 g/mL?

p − p erce n t error p = 8.96 ∣8.10 − 8.96∣ ​ ∗ 100% = 8.96 0.86 ​ ∗ 100% = 9.6%

Answered by marmal | 2024-06-10

The student's percent error for the measured density of copper is approximately 9.6%. This is calculated by finding the difference between the measured and accepted values, dividing by the accepted value, and then converting to a percentage. Therefore, the error indicates that the measured density is lower than the accepted value.
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Answered by marmal | 2024-09-26