Preparing a solution from a solid
Water is not always the best solvent for preparing a solution! Be sure to choose the right solvent!!
Side note: this video was made to emphasize the important practical aspects, while at the same time keeping it humorous.
Filling a volumetric flask
It is absolutely essential that the eye is level with the calibration mark.
The bottom of the meniscus does not reach the calibration mark
The total volume is not correct.
The bottom of the meniscus must reach the calibration mark
The total volume is correct