In an experiment 0.1 M H3PO4 solution is titrated with the standardized 0.1 M NAOH by a chemist and obtained the graph above. The chemist observed the first end point at pH = 4.35 while observing the second end point at pH = 10.2 According to the given information, calculate Kal and Ka2 for phosphoric acid. 14.0 12.0 10.0 - 8.0 6.0 - 4.0 2.0 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 Hd

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Basic Chemical Calculations (Process and Variables)

A basic chemical calculation involves the application of the law of chemical proportions to various reactions and material and energy balance calculations on various chemical processes. Basic chemical calculation helps students analyze various chemical processes and develop problem-solving skills. The chemical manufacturing processes are divided into unit operations involving physical changes of material and unit processes involving the chemical transformation of materials. For instance, fluid flow, heat transfer, and mass transfer are unit operations, and oxidation, reduction, and pyrolysis are unit processes.