Some Basic Concepts Of Chemistry Question 222
Question: What is the % of $ H _2O $ in $ Fe{{(CNS)}_3}.3H _2O $
Options:
A) 45
B) 30
C) 19
D) 25
Show Answer
Answer:
Correct Answer: C
Solution:
In $ Fe{{(CNS)}_3}.\ 3H _2O $
% of $ H _2O=\frac{3\times 18}{284}\times 100=19% $ .