57. Calculate the amount of Al3 in the solution using the following data. 15 cm3 of a 0.11 N Na-EDTA solution were added to the solution, the excess of the latter was titrated with 3 cm3 of a 0.1010 N ZnSO4 solution.

If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)