Question

How many atoms are in 6.30 moles of selenium (Se)?
x 10
atoms

Answer 1

3.79 e+24

Step-by-step explanation:

1 mol = 6.022*10^24 atoms

6.30 * ×
`(6.022*10^2^3atoms)/(1mol)` = 3.79386*10^24

The answer must have 3 sig figs