Question

.What is the formula
mass unit of ZnO?(atomic
mass of Zn =65, atomic
mass of oxygen =16) *




O 97 amu
81 amu
O
49 amu
O 18 amu​

Answer 1

Answer:

Formula unit mass of ZnO is  

= (1×atomic mass of Zn) +(1×atomic mass of O)

= (1×65)+(1×16)

= 81 amu