From a sample of rock mass 1.50 g was obtained by analysis of 0.2560 g mixture of NaCl and KCl. From this mixture of precipitation perchloric acid (HClO4) was obtained 0.185 g KClO4 (potassium perchlorate). Calculate the mass percentage shares of Na2O and K2O in the sample.
M (KCl) = 74.555 g /...
