How many grams do 8.2 moles of Ba(OH)2 represent? Please someone help me

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j