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23-01-2020
Chemistry

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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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anfabba15 anfabba15

23-01-2020

Answer:

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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