Question

How many atoms of sodium (Na) are in 2.5 mol of sodium?

Answer 1

`~~1.5*10^24`

Explanation:

In one mole of atoms, there exist approximately `6.02*10^23` atoms. So, in `2.5` moles of sodium `(Na)` atoms, there will exist

`2.5*6.02*10^23~~1.5*10^24` sodium atoms.