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22. The pH of 100 ml of 0.1 M phosphoric acid is 2.5, sketch the titration...

22. The pH of 100 ml of 0.1 M phosphoric acid is 2.5, sketch the titration curve obtained by titrating the phosphoric acid solution with 0.2 M sodium hydroxide. Show clearly how you calculate the values used to plot the curve. (Use Ka values given in no. 15)
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sol - (100 m1, o im Hapon) + Nach 0.2m bare so its give Naoh is a strong oH and Tour] = 0.2m. Noco when we start adding paoh- Plaz PH-pka, I 2 .5 PH=pka, Volume of NagH added and At third solutim ob at equiralance have salt 3rd point point the and [

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