Question

which of these is a common use for an erlenmeyer flask? it is used for containing gaseous products of a reaction. it is used for containing gaseous reactants for a reaction. it is used for swirling the contents during a reaction to help mixing. it is used for making specific (precise) measurements.

Explanation:

Erlenmeyer flasks have a conical shape which allows for easy swirling of liquid contents during reactions to aid in mixing. They are not primarily used for containing only gaseous products or reactants, and they are not precision - measuring devices.

Answer:

It is used for swirling the contents during a reaction to help mixing.