Answer:
2.8 * 10^(-6) / 1.4 * 10^(-2)=
2* 10^(-8)
They both turn something on, and the way they are different is the way they turn it off<span>
</span>
We use the following formula to calculate the number of atoms:
n (mol) = N(number of atoms) / NA
N(He) = n(mol) · NA
N(He) = 2,0 moles · 6.02·1023 = 12.04·1023 atoms
A. Solar Energy
Hope this helps!
STSN