Question
Asked Jul 17, 2019
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How do we calculate the percent error for melting point for an experiment where we got a melting point of benzil of 83-88.4C?

And we know that the known and tested melting point of benzil is 94-95C.

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Expert Answer

Step 1

This problem can be solve using the formula shown below.

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% errorabsolute error 100 actual value where Absolute error actual value-experimental value Absolute error-94.5°C - 85.7°C absolute error=8.8°C.

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Step 2

Knowing the absolute error, % error can be calculated using the formula described...

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absolute errorx100% error % error= actual percentage 8.8100% error 94.5 -0.0931x100% eror 9.31%

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