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Question

Calculate the morality of NaOH in the solution prepared by dissolving its 4 g in water to make solution of 250 ml.

Solution
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Weight of NaOH=4g

Molecular weight of NaOH=40G

Volume of solution is 250ml

Molarity = ?

M=WMW×1000Vinml

M=440×1000250

0.4M

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