Question

Help help chem question

Answer 1

D. 4.20%

Step-by-step explanation:

Given the following data:

Accepted value = 524 degrees

Experimental value = 546 degrees

To find the percentage error;

Percent error can be defined as a measure of the extent to which an experimental value differs from the theoretical value.

Mathematically, it is given by this expression;

`Percent \; error = \frac {accepted \;value - experimental \; value}{ accepted \;value} *100`

Substituting into the equation, we have;

`Percent \; error = \frac {524 - 546}{ 524} *100`

`Percent \; error = \frac {22}{524} *100`

Note: the negative sign is ignored when calculating percentage error.

`Percent \; error = 0.04199 *100`

Percent error = 4.199 ≈ 4.2%