73. Solving a chemistry problem

73. Solving a chemistry problem

11. Solution of calcium and magnesium salts 100.0 ml. 18.45 ml of 0.01020M EDTA was used to titrate a 20.00 ml aliquot with Eriochrome Black T, and 8.22 ml of EDTA was used to titrate the same aliquot with murexide. What mass of Ca and Mg was contained in the initial solution? Answer. 0.0168 g Ca; 0.0127 g Mg.

Additional information:

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