Question

Explain mole concept with avogadro's number

Answer 1

Explanation:

• just like we use "dozen" to group 12 bananas
• similarly we use "mole" to group

$6.022 \times 10 {}^{2 3}$

particles.

• This large number is called avogadro's number.
• It means 1 mole atoms = 6.022×10^23 atoms.
• It also means 1 mole bikes = 6.022×10^23 bikes.

Now, why we use mole for atoms and dozen for bananas? Why can't we use mole for bananas and dozen for atoms instead?

the answer is simple...

we can't find 1 mole bananas anywhere (you know how large is a mole)

if we could then we would definitely use moles instead of dozens.

similarly, when we talk about atoms even on the tip of your pencil there will be a very large number of atoms. Thus dozen cannot be used there. We need a very large quantity like "mole".

thus mole is used for atoms and molecules.