Answer is
.
Explanation: To calculate the mass of 1 Xe-atom , we will require atomic mass of Xe which is 131.29amu.
This atomic mass is the mass of 1 mole of 1 Xe-atom. One mole of Xe-atom is
atoms of Xe. We will use this relation to convert Mass of Xe-atom into grams.




=
Nal is the formula for sodium iodine