# Regarding molarity, which of the following statements are correct

1. A
Units of molarity
2. B
Molarity of dibasic acid is half of its normality
3. C
$\frac{\text{Normality}×\text{GEW}}{\text{GMW}}$
4. D
Molarity always equals to its Normality

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### Solution:

Molarity of solution means number of moles of solute per liter.

So, units of molarity are moles per liter. Hence, statement A is wrong.

The statement B “Molarity of dibasic acid is half of its normality” is correct.

Since the relation between normality and molarity is given below.

$N=n×M$

Here, n represents basicity of an acid or acidity of a base.

The relation between normality, molarity , GEW and GMW is given as

$\frac{\text{Normality}×\text{GEW}}{\text{GMW}}=\text{Molarity}$

So, the statements in B and C are correct.

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