Question

How many milliliters of 12.0 M HCl(aq) are needed to prepare 815.0 mL of 1.00 M HCl(aq)?

Answer 1

To prepare 815.0 mL of 1.00 M HCl from a 12.0 M HCl solution, one would need 67.92 mL of the concentrated acid.

Step-by-step explanation:

How to calculate the volume of concentrated HCl needed to prepare a diluted solution

We are asked: How many milliliters of 12.0 M HCl(aq) are needed to prepare 815.0 mL of 1.00 M HCl(aq)?

The calculation involves using the dilution equation: M1V1 = M2V2, where M1 is the concentration of the initial solution, V1 is the volume of the initial solution, M2 is the concentration of the final solution, and V2 is the volume of the final solution.

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Therefore, 67.92 mL of 12.0 M HCl are needed to prepare 815.0 mL of 1.00 M HCl(aq).