Acid Base Titration. 24 0 obj
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Discussion:Titration is a technique for determining either the concentration of a solution of unknownmolarity or the number of moles of a substance in a given sample. endstream
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Acid-base titrations can also be used to quantify the purity of chemicals. Table 4 shows data for the titration of a 25.0-mL sample of 0.100 M hydrochloric acid with 0.100 M sodium hydroxide. 0000002605 00000 n
Plotting the pH of the solution in the flask against the amount of acid or base added produces a titration curve. An acid-base titration is a process of obtaining quantitative information of a sample using an acid-base reaction by reacting with a certain volume of reactant whose concentration is known. Curcumin is yellow in acidic and dark yellow in basic solution. �e���Ԋ�d����9�R��
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A�o��'R1��fr����O����C�ɴ���-��^������+�X$���H�P�u�h�[[�m�>Ѕ�,�;�R0F�h5�H�]�[�?K䋛��G�TTˀ`�L�@W�T���]E��ޡ�t���?D��"Ɖ�E@T��2J��e�|\���i��ګzG��~��K�o���k�X5'��. ACID BASE TITRATION OBJECTIVES INTRODUCTION Titration Lab Discussion … This occurs because curcumic extract when dropped with acid solution became bright yellow, and if dropped with base solution became dark yellow. Acid-Base Titration: This type of potentiometric titration is used to determine the concentration of a given acid/base by neutralizing it exactly using a standard solution of base/acid whose concentration is known. A suitable indicator for determining the equivalence point is used to indicate the end point of an acid-base titration. This is a simple calculation because it involves a complete neutralization reaction and the salt (NaCℓ) does not undergo hydrolysis. 1.2 Abstract Basic acid-base titration is generally used to obtain the molarity of a solution given the molarity of other solution that involves neutralization between acid and base. These Titrations are carried out to test the strength of acids, based, buffers, redox agents, metal ions, etc.. An acid-base titration is specifically meant to … &��� nddQD ����"�0 J��%�:����KW^ttXr��Խ�fg��~| ONm��TթS��$��� ��i�����#��x�m%�v��:��~"�aԔI�=W�G��5|l�M�y��Җȳ����[���Իn'�W��uǍ)�Ya�E�i��4
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��c��5l�P��}n-�6bd�ЄI+:��n9��^cQ7�Ê�a��f�� This experiment was done to determine the concentration of the acid solutions. A chemicalreaction is used for this purpose, and the reaction must be fast, be complete, and have adeterminable end point. The titration process involved the repetitive dropping of.5 mL of.2M HCl into the unknown solution and the recording of the solution's pH as each drop was added. �S*y'r�}���p���م����4�ս�LvT)mE�=C���i���Fe���S絉YL�RSm�T�oqy!B�4�\7܋i:�6z�^�?�ݧ�n�,ͳ��y������gI�)��M�$�Eo>�{Pl�4���1��T�B��I:ʋXB�{#x\9�qe"�^��*Dڍ�O������iaİ4��%�� ����� s���\�/�������4��y V��;���!m��gu>>�c��!�j� �R*5�A;�U4Ȓz��J�&6���y�рe�L�M�o&.��0����e���|_�i�"����՟��z��E=�u;����6u�d�w?3���9��lE��w���e3����ht&��]]`Y���rs�V5�����-�� �� 8}�1� {�� At the equivalence point, (H. To calculate the concentration of HCl solution, we use: in this experiment, we get that the average concentration of strong, Titration Strong Acid (HCℓ) and Strong Base (NaOH) with Naturally Indicator. 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