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Understand how to complete titration calculations Question The end point in a titration of a 25.5 mL sample of aqueous HCI wa
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Answer #1

balanced equation :

HCl (aq)   + NaOH (aq)   -------------> NaCl (aq)    +   H2O (l)

millimoles of NaOH = 5.6 x 2.5

                                 = 14

At end point :

mmoles of acid = mmoles of base

25.5 x C = 14

C = 0.549

molar concentration of HCl = 0.55 M

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