Chem

What volume of 2.50 x 10-4 M CV+ solution should be diluted to 10.0 mL to prepare a 7.50 x 10-5 M CV+ solution
Answer

1.00 mL

3.00 mL

5.00 mL

7.50 mL

33.3 mL

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asked by Kristen
  1. Given:
    C1 = 2.5x10^-4 M
    C2 = 7.4x10^-5 M
    V2 = 10.0 mL

    Use conservation of (mole) amount:
    C1 V1 = C2 V2

    Rearrange to find the initial volume (V1).

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    posted by Graham

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