Equivalent weight of Ferric ion is (At wt of Fe=56)
14
O A. 56
O B.
28
O c. 18.67
O D.
32
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22
Answer:
C. 18.67
Explanation:
Equivalent weight is defined as mass of a chemical entity that would react with or release 8 g oxygen or 1 g hydrogen or 22 g carbon or 35.5 g of chlorine.
How to calculate equivalent weight :-
Equivalent weight = .
- N-factor of an acid is its basicity.
- N-factor of a base is its acidity.
- N-factor of an ion is equal to equivalent charge. For example, n-factor of
is 2.
Now,ferric ion is . Therefore,it's n-factor is 3. Hence, we can calculate it's equivalent mass as
.
=
= 18.67 gram per equivalent.
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