56. When titrating a BaCl2 solution with a solution of 0.200 N. H2SO4 received the following data on the scale of the conductometer:
V(H2SO4), cm3 2.0 4.0 6.0 8.0 10.0
Instrument readings, cases. 62.0 43.0 29.5 22.0 19.2

Build a titration curve and determine the content of BaCl2 (g) in the test solution.

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