96. Solving a chemistry problem
20. Distilled water, ammonia buffer solution and 20.0 ml of 0.01085M EDTA solution were added to 10.0 ml of NiCl2 solution. The excess of EDTA was titrated with 0.01292 M MgCl2, 5.47 ml were used for titration. Calculate the initial concentration (g/l) of the NiCl2 solution. Answer: 1.897 g/l.
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