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4 November, 20:49

How many milliliters of a 2.0 molar sodium chloride solution would be needed to prepare 250 mL of 0.15 molar sodium chloride solution?

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Answers (1)
  1. 4 November, 21:12
    0
    18.75 mL

    Explanation:

    We must apply the dilute factor formula to solve this:

    Diluted volume. Diluted M = Concentrated volume. concentrated M

    250 mL. 0.15 M = Concentrated volume. 2 M

    (250 mL. 0.15 M) / 2M = Concentrated volume

    18.75 mL = Concentrated volume
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