Question

A volume is measured experimentally as 4.04 mL. What is the percent error, given that the correct value is 4.2 mL?

a) 4%
b) 4.76%
c) 4.2%
d) 3.81%

Answer 1

The percent error is 3.81%.

Step-by-step explanation:

To calculate the percent error, we use the formula:

Percent Error = (|Experimental Value - Correct Value| / Correct Value) * 100%

Substituting the given values:

Percent Error = (|4.04 mL - 4.2 mL| / 4.2 mL) * 100% = (|-0.16 mL| / 4.2 mL) * 100% = (0.16 mL / 4.2 mL) * 100% = 3.81%

Therefore, the percent error is 3.81% (option d).