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CBSE Class 11-science Answered

Find the molarity of solution prepared by dissolving 4g of NaOH in 3L of solution. 
Asked by samikshasinha429 | 23 Sep, 2021, 01:23: PM
answered-by-expert Expert Answer

Weight of NaOH=4 g

Molecular weight of NaOH=40 g

Volume of solution =3L

Molarity can be calculated by-
 
 
Molarity equals fraction numerator Mass space of space solute over denominator Molar space mass space of space solute cross times Volume space in space straight L end fraction space space space space space space space space space space space equals fraction numerator 5 over denominator 40 cross times 3 space end fraction space space space space space space space space space space equals 5 over 120 space space space space space space space space space space equals 0.04 space straight M

Answered by Ramandeep | 23 Sep, 2021, 06:24: PM

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