139. Solving a chemistry problem

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96. Determine the concentration of KCN in the solution (g / l), if during potentiometric titration 20.0 ml of 0.1 N AgNO3 solution
got the results - table 32.
Table 32
V, ml (AgNO3) 5.0 7.0 9.0 9.5 9.9 10.0 10.1 10.5 11.0
E, mV -252 -216 -153 -116 24 276 340 341 342

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