Question

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

Answer 1

Answer:

3.79 e+24

Explanation:

1 mol = 6.022*10^24 atoms

6.30 * ×$\frac{6.022*10^2^3atoms}{1mol}$ = 3.79386*10^24

The answer must have 3 sig figs