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To perform a titration, HA, an acid of aknown concentration, is placed in a flask.BEFORE any NaOH is added, what ionsare present in the flask.A. Na+, OH-, H+ and A-B. H+ and A-C. There are no ions present, only HA and H2O.



Answer :

When some acid is placed in a flask to form a solution, it undergoes a process called dissociation, and in this process, we will have ions being formed, we will have H+ and A- ions, this is what makes the solution to be acidic. Therefore the best answer is letter B

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