47. When the oxidation reaction of H2O2 solution with a mass fraction of 3% solution in alkaline medium red blood salt (K3 [Fe (CN) 6]) was obtained oxygen of 560 cm3 (STP). Determine the mass of consumed substances: a) H2O2; b) K3 [Fe (CN) 6].

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)