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Nikhil619

  • 2 years ago

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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  1. Nikhil619
    • 2 years ago
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    i have 2 just find separate volumes right?

  2. shubhamsrg
    • 2 years ago
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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

  3. Nikhil619
    • 2 years ago
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    oh ok .thnx.. :D

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

  5. Nikhil619
    • 2 years ago
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    @shubhamsrg

  6. shubhamsrg
    • 2 years ago
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    yes..you sure thats all the info ?

  7. Nikhil619
    • 2 years ago
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    yeah...

  8. shubhamsrg
    • 2 years ago
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    hmm V1 + V2 =3 use this

  9. Nikhil619
    • 2 years ago
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    OK i got ithe answer! THNX A LOT FR ALL YOUR HELP!! :D

  10. shubhamsrg
    • 2 years ago
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    gglad to help

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