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Molarity

4gm of NaOH i...

Question

4gm of NaOH is dissolved in $250 m l$ of a solution. calculate its molarity.

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Solution

Molarity $= \frac{M o l e s}{V o l} \times 1000$
$= \frac{4 / 40}{250} \times 1000$
$= 0.4 M$

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