In an experiment, theresa measured 15.00 ml of water. she must have used a flask that had markings every 25 ml. beaker that had markings every 20 ml. transfer pipet that had markings every 0.1 ml. graduated cylinder that had markings every 1 ml.

The correct answer is transfer pipette that had markings every 0.1 mL

Explanation:

Flask, beaker , pipette and graduated cylinder are the apparatus that are used in the lab to measure the volume of a chemical.

For an experiment, the measurement of chemical used must be precise and for that purpose, pipette is used.

All the other apparatus does not give precise measurements and hence cannot be used for measuring a chemical that has to be used in an experiment.

Hence, the correct answer is transfer pipette that had markings every 0.1 mL