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How do you dilute 100mL of 20ppm Fe3+ to 1,2,4,6,8 ppm, 50mL each?

  • Chemistry -

    mL x ppm = mL x ppm
    50 x 1 = mL x 20
    solve for mL. That's 2.5 mL. try it.
    20 ppm x (2.5 mL/50 mL) = 1 ppm.

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