Question

A compound has O 61.32 , S 11.35, H 4.88 and Zn 22.65.The relative molecular mass is 287 a.m.u. Find the molecular formula of the compound,assuming that all the hydrogen is present as water of crystallization?

Answer 1

See attachment for answer and in this as all Hydrogen are in form of water of crystallisation so they require 7oxygen atoms .......

Answer 2

i hope you understand it