1 mol of Br = 79.9 g
15.7 g / 79.9 g = 0.196 moles of atoms
Answer:
Scientists believe the batteries (if that is their correct function) were used to electroplate items such as putting a layer of one metal (gold) onto the surface of another (silver), a method still practiced in Iraq today.
Explanation:
The most stable isotope would be lead-82.
I need points thanks I need points thanks I need points thanks Wkbejwiwbwe e enjwkwkebe b a owl qiwi192928 Ake eleve
