# How many molecules are in a drop of water?

Not what you're looking for? Search our solutions OR ask your own Custom question.

How many molecules are contained in one drop (0.050 mL) of water (density 1.0 g/mL)?

Â© BrainMass Inc. brainmass.com November 24, 2022, 11:37 am ad1c9bdddfhttps://brainmass.com/chemistry/stoichiometry/molecules-drop-water-density-10025

#### Solution Preview

To answer this question one must first start with the concept of a mole.

The mole is a number 6.022 x10^23 that can represent anything. This number is known as Avogadro's number. One would like to own a mole of pennies for instance.

The mole is only convenient when speaking ...

#### Solution Summary

How many water molecules are there in a drop? This is a concept that is poorly understood, difficult to visualize, but relatively easy to calculate.

$2.49