Question

What is Normality and its formula ?

Answer 1

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Normality :-

it is the number of gram equivalent of solute in one litre of solution .

N = Gram equivalents of solute (Eq)/volume of solution in litre

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Answer 2

$\huge\mathfrak{A{\textbf{\red{nswer :}}}}$

$\huge\textbf{Normality :}$

Defined as number of moles of gram equivalents present in 1 lit. of solution...

It is denoted by N..

N = $\dfrac{Number\:of\:gram\: Equivalent}{Volume\:of\:Solution\:(in\:lit.}$

Number of gram equivalent =

$\dfrac{Given\:Mass}{Equivalent\:Mass}$

=> $\dfrac{w}{eq.\:wt.}$

Equivalent weight =

$\dfrac{Molecular\:Mass}{Valdncy\:or\:Acidity\:or\:Bascity}$

=> $\dfrac{m}{Valency}$

N = Valency × $\dfrac{w}{m}$ × $\dfrac{1000}{volume}$

N = Valency × M (molarity)