HC]A laboratory experiment requires 2.0 L of a 1.5 M solution of hydrochloric acid (HCl), but the only available HCl is a 12.0 M

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3 years ago

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HC]A laboratory experiment requires 2.0 L of a 1.5 M solution of hydrochloric acid (HCl), but the only available HCl is a 12.0 M

stock solution. How could you prepare the solution needed for the lab experiment? Show all the work used to find your answer

Chemistry

1 answer:

andreyandreev [35.5K] · Answer 1 · 2022-06-08T19:02:30+03:00

andreyandreev [35.5K]3 years ago

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The amount of the solute is constant during dilution. So the mole number of HCl is 2*1.5=3 mole. The volume of HCl stock is 3/12=0.25 L. So using 0.25 L stock solution and dilute to 2.0 L.