Question

8.What is the formula mass unit
of ZnO?
(a) 18 u
(b) 814
(c) 88 U
(d) 188 U​

Answer 1

Answer:

a) 81u

Explanation:

The formula unit mass of ZnO is 81u, is 62u and that of is 138u.

Formula unit mass of ZnO is

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

=1×65+1×16

=81u.

this is the answer of your question

mark me as

Answer 2

• 18 u
• 18 uAnswer: The formula unit mass of ZnO is 81u, is 62u