Question

The amount of a chemical solution is measured to be 2 liters.
What is the percent error of the measurement?
2.5%
5%
25%
50%

Answer 1

find the absolute error in the measurement its normally

1/2 of the unit of measurement

percentage error is absolute error/quantity x 100

Answer 2

2.5%?

Answer 3

since its measured in litres... the absolute error is 0.5 litres..

percentage error = 0.5/2 * 100