Question

How many molecules present in a drop of water?​

Answer 1

Answer:

The average volume of a water drop is precisely 0.05 mL (20 drops per millilitre). It turns out that there are over 1.5 sextillions (1^21) molecules in a water drop and more than five sextillion atoms per water droplet.

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Answer 2

Answer:

Using Avogadro's Number

So, next, we calculate how many molecules there are in a drop of water, which we determined: molecules in a water drop = (6.022 x 102^3 molecules/mole) x 0.002275 moles. molecules in a water drop = 1.67 x 10^21 molecules of water.

Explanation:

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