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# Chemistry: How would you prepare 10 mL of a 0.25M HCl solution

Chemistry: How would you prepare 10 mL of a 0.25M HCl solution if 1M HCl was available? How much 1M HCL is needed? How much distilled water is used?
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You're going to dilute the 1 M HCl in water to get a less concentrated 0.25 M HCl. First determine the amount of moles in the final 10 mL 0.25 M HCl.

10 mL = .01 L × .25 moles/L = .0025 moles HCl

Now you work backwards with the concentrated solution.

1 mol/L × (volume) = .0025 moles HCl
Volume = .0025 liters = 2.5 mL

You need to prepare a 10 mL aqueous solution containing 2.5 mL of 1 M HCl.

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Customer: replied 4 years ago.

How much distilled water is used?

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