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chemistry

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How many mL of a 0.90% (m/v) NaCl stock solution will you need to to prepare 250 mL of a 0.225% m/v NaCl solution?

  • chemistry -

    The dilution formula, which works for M, m, and N (perhaps others) is
    mL x % = mL x %.
    Substitute and solve for mL.

  • chemistry -

    225

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