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selenamalter

  • one year ago

How many milliliters of a stock solution of 5.00 M KNO3 would you need to prepare 250 mL of 0.250 M KNO3?

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  1. Peter14
    • one year ago
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    so the equation you need here is M1v1=M2v2

  2. angga
    • one year ago
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    yes thats right @peter14

  3. selenamalter
    • one year ago
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    so then what would i do next?

  4. Peter14
    • one year ago
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    you know the initial molarity, the final molarity, and the final volume

  5. Peter14
    • one year ago
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    plug it into the equation

  6. angga
    • one year ago
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    do you get the answer @selenamalter ?

  7. selenamalter
    • one year ago
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    no, im a little confused still

  8. Mertsj
    • one year ago
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    Substitute. Do you know what the letters in the formula stand for?

  9. angga
    • one year ago
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    it same with peter's formula M1 v1 = M2 V2 5 v1 = 0.25 x 250 get it?

  10. Mertsj
    • one year ago
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    |dw:1366684902405:dw|

  11. selenamalter
    • one year ago
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    okay, let me see here

  12. selenamalter
    • one year ago
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    1.25?

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