Question

calculate the number of moles of a sample that contains 12.046 ×10^23 atoms of silver?​

Answer 1

Answer:

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Answer 2

Answer:

1 mole contains 6.023*10^23 elementary particles.

Number of moles = no. of atoms / Avogadro number

12.046* 10^23/6.023 *10^23=2

therefore there are 2 moles of atom.

Now the easiest way to understand is to understand what is a mole?

Think of mole as a dozen. When we say a dozen of apples we mean 12 apples Similarly a mole of apple equals 6.023 *10 ^23 apples. now if i ask you how many dozen  are there in 24 apples , you will say 2. Think how many moles of apples are there in 3*6.023*10^23 apples.