NaCl Dilution – Lab Techniques Only

It is acceptable to overfill the volumetric flask during dilution.

• True

• False

Gloves and goggles should be worn even when handling dilute NaCl solutions.

• True

• False

Using a beaker is more accurate than a volumetric flask for measuring dilution volumes.

• True

• False

The volumetric pipette is the best tool for transferring accurate small volumes of NaCl solution.

• True

• False

After using a volumetric flask for one solution, it can be reused without rinsing.

• True

• False

You should always label the final diluted NaCl solution.

• True

• False

The final volume in a dilution should be measured exactly at eye level.

• True

• False

A volumetric flask is calibrated for one specific volume.

• True

• False

All glassware should be rinsed with distilled water before starting the dilution.

• True

• False

Using excess water in dilution leads to higher NaCl concentration.

• True

• False