b. 1 cm of 1 M Na2S2O3 = 0.06354 g Cu²+ 8 Curatobortis nisl.za Write-up Exp. 2: - Estimation of Copper and Sulphate in a

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B 1 Cm Of 1 M Na2s2o3 0 06354 G Cu 8 Curatobortis Nisl Za Write Up Exp 2 Estimation Of Copper And Sulphate In A 1 (96.9 KiB) Viewed 58 times

b. 1 cm of 1 M Na2S2O3 = 0.06354 g Cu²+ 8 Curatobortis nisl.za Write-up Exp. 2: - Estimation of Copper and Sulphate in a solution of CuSO4 using a Cation Exchange Resin. 1) Indicate clearly which solution was used in the experiment: A, B, or C. 2) You should use a table like the following to display the results of the experiment in your lab notebook. 3) You also need to record the titration results of your partner and compare with your own. 4) You also need to show all of your calculations on another page for each of the values shown in the table. 0 o 250 Det. 3 O 250 81 A). Titration of 25 cm of S042-containing raffinate with Molar NaOH Titration No. Determination 1 Det. 2 Initial burette reading (cm): Final burette reading (cm): 250 Volume of NaOH used in titration (cm): 8.2 8.3 Average titration figure (cm): 8.2 Moles of NaOH used in titration: Moles of SOP in 25 cm of raffinate: Moles of SO42- in 250 cm of solution: Moles of SO2-in 1000 cm of original solution: Grams of SO42- in 1000 cm of original solution: B). Titration of 50 cm of Cu2+ containing raffinate with Molar thiosulfate. Titration No. Determination 1 Det. 2 Final burette reading: 2SO Volume of thiosulphate used in titration (cm): 6 6.5 Average titration figure (cm): Moles of thiosulphate used in titration: 0.03873 Moles of Cu2+ in 50 cm of raffinate: Moles of Cu2+ in 250 cm of solution: Moles of Cu²+ in 1000 cm of original solution: Grams of Cult in 1000 cm' of original solution: Det. 3 250 250 S.9 1-13