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% $ .



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