Question

calculate the molarity of k o h in the solution prepared by dissolving 2 gram in water to form 300 ml of solution​

Answer 1

Answer:

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51

Chemistry

5 points

Angella Ace

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EXAM

Molarity(M) W x 1000 GMW x V

where,

W given weight of the solute 4g

GMW Gram Molecular Weight of the

solute 40g

V Volume of the solution in ml. 250

-

ml

So,

M of NaOH

- 4 x 1000 40 x 250

0.4 M

4.0 (121)

315

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Answer 2

Explanation:

Molarity=Total no of moles per litre

No of moles/volume in litres

Molecular weight of KOH=56

No of moles =2/56=1/28

volume=300ml ie 3/10 litre

Molarity=10/84

=5/42M