Question

which of the following quantities is best represented by a mole?
the number of particles of waters in a lake
the number of questions on this assignment
the number of tires on a car
the number of people in your family

Explanation:

A mole is a unit in chemistry used to represent a large number of particles (such as atoms, molecules). The number of water particles in a lake can be measured in moles as it involves counting a vast number of molecules. The other options (number of questions, tires, people) are not related to chemical - particle counting.

Answer:

The number of particles of water in a lake