79. Solving a chemistry problem

79. Solving a chemistry problem

1. Calculate the mass fraction of Al2O3 in silicate, if a sample of 1.022 g of it was transferred into a solution, 25.0 ml of a 0.2151 M solution of Trilon B was added, and 9.85 ml of a 0.1015 M solution of zinc sulfate was used to titrate the excess of the latter.

Additional information:

If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.