The $HCl$ concentration after the dilution is equal to $1.71$ $M$
Work Step by Step
1. Find the concentration after the dilution: $C_1 * V_1 = C_2 * V_2$ $12*35.7= C_2 *250$ $428 = C_2 *250$ $C_2 =1.71$ $M$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.