23. Решение задачи по химии №002 325

7. Construct curves of potentiometric titration in the coordinates Е-V and ΔE/ΔV and calculate the concentration of MgBr2 in the solution (g/l), if during titration of 20 ml of the analyzed solution 0.1000 N Hg(NO3)2 (fequiv=1/2) got:
V (Hg(NO3)2), ml 10.00 15.00 18.00 19.00 19.50 19.90 20.00 20.10 20.50
E, mV 501 526 552 570 589 629 704 737 757

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