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You have 375 mL of a 1.25 M potassium chloride solution, but you need to make...

You have 375 mL of a 1.25 M potassium chloride solution, but you need to make a 0.50 M potassium chloride solution. How many milliliters of water must you add to the original 1.25 M solution to make the 0.50 M potassium chloride solution? Note: Assume the volumes are additive.

Anwer should be in mL of water.

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