First slide
Concentration methods
Question

0.4 grams of NaOH is dissolved in a 400 ml solution. Normality of the solution is----N

Moderate
Solution

N=Number of gram equivalents×1Vl; N=Number of gram equivalents×1000Vml; Number of gram equivalents=wsoluteGEW of solute; GEW=GMW or GFWvalency ; GEW of NaOH=401g ; N=0.440×1000400=0.025 N ;

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