Nikhil619
How much volume of 4 M and 2 M solution of KOH is required to dissolve to obtain 3 L KOH solution of molarity 2.5 M



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Nikhil619
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i have 2 just find separate volumes right?

shubhamsrg
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find out no. of moles in 3L 2.5M KOH
moles from 4M + moles from 2M = moles from 3L 2.5M KOH

Nikhil619
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oh ok .thnx.. :D

Nikhil619
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but both volumes V1 AND V2 are different right..so i get
7.5= 4V1 + 2V2

Nikhil619
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@shubhamsrg

shubhamsrg
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yes..you sure thats all the info ?

Nikhil619
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yeah...

shubhamsrg
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hmm
V1 + V2 =3
use this

Nikhil619
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OK i got ithe answer! THNX A LOT FR ALL YOUR HELP!! :D

shubhamsrg
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gglad to help