3. 1.00 dm3 of waste water containing nickel was evapor

3. 1.00 dm3 of waste water containing nickel was evapor

3. 1.00 dm3 of waste water containing nickel was evaporated to dryness and after separation of impurities a precipitate of nickel dimethylglyoximate was obtained. The washed precipitate was dissolved, 10.00 cm3 of a 0.010 M solution of complexone III was added, 3.05 cm3 of a 0.010 M solution of a magnesium salt was spent to titrate the excess of the latter. Calculate the mass concentration of nickel (mg / dm3) c. waste water

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.