145. A portion of 0.2 g of magnesium salt was dissolved in a 100 cm3 volumetric flask. 20.25 cm3 of a 0.025 M solution of Trilon B were used to titrate 20 cm3 of the solution. Calculate the percentage of magnesium in the salt.

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