please send urgently
and don't send spam please
Attachments:
Answers
Answered by
6
Answer:
12- Formula unit mass of ZnO=(Atomic mass of Zn)+(Atomic mass of O)
=(65+16)u =81u
Formula unit mass of Na2
O=(2×23)+16
=62u
Formula unit mass of K 2
CO 3
=(2×39)+12+(3×16)
=138u ans
Explanation:
hope it will help you..
Take care be safe and keep smiling.
stay fit and blessed keep your family safe.
Good night sweet dreams
Similar questions