Question

Calculate average atomic mass of 80X (80%) and 82X(20%)

Answer 1

average atomic mass = atomic mass x 80 + atomic mass x 20 /100
80x80+82×20/100
=6400+1640/100
8040/100
= 80.4
HOPE IT HELPS! ! PLS MARK IT AS BRAINLIEST! IF YOU LIKE THE ANSWER 5