82 Решение задачки по химии №08 273

A portion of NiSO4*7H2O weighing 0.1406 g was dissolved and the solution was brought to the mark in a volumetric flask with a capacity of 50.00 ml. With high-frequency titration of 10.00 ml of the resulting solution with Trilon B, the following results were obtained:
V(trilon B), ml 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00
Instrument readings.. 53.0 43.5 34.5 26.0 17.0 20.0 21.5 23.0
Build a titration curve and calculate the titer of Trilon B for nickel.

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