Chemistry, 10.10.2021 07:50 arnold2619

“10.00mL of a sample of concentrated hydrochloride acid is diluted to 100.00mL. If a 20.00mL portion required 15.23mL of 1.5 M NaOH to reach the endpoint, what is the concentration of the original, undiluted HCl?” I thought I knew what I was doing here but I ended with 114 M HCl. Can anyone point me in the right direction?

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