Question

The volume of water in a volumetric flask is known to be 100.00± 0.05 mL at 25 degreeC and 1 atmosphere. A student uses a 100 mL measuring cylinder to measure the volume of water in the flask four times. The student’s results are shown in the table below. How would you describe the precision and accuracy of the student’s recorded volumes of water?



Trial

1

2

3

4

Volume (mL)

99.84

99.92

99.91

99.98




The results are accurate but not precise


The results are precise but not accurate


The results are not precise and accurate


There is not enough information to describe the precision and accuracy of the results

Answer 1

The results are precise but not accurate.