Question

help me in 10th question ​

Answer 1

Explanation:

80 u

is the average atomic mass..............

Answer 2

Answer:

The av. atomic mass on the basis of the given data will be :

= [{79 X 49.7/100 + 81 X 50.3/100}]

= { 39.263 + 40 .743}

= 80.006 u

~ Answer

hope it helps :)