Question

In an experiment, the gram atomic mass of magnesium was determined to be 14.7. Compared to the accepted value of 24.3, the percent error for this determination was

39.5
1.65
24.7
98.4

Answer 1

The answer is 39.5 %

Step-by-step explanation:

The percentage error of a certain measurement can be found by using the formula

`P(\%) = (error)/(actual \: \: number) * 100\% \\`

actual mass = 24.3

error = 24.3 - 14.7 = 9.6

We have

`p(\%) = (9.6)/(24.3) * 100 \\ = 39.506172839...`

We have the final answer as

39.5 %

Hope this helps you