Ответ: 1. 2Li + S = Li2S1.3 / 7 = 0.190.19 / 2 = x / 1x = 0.0950.095 * 46 = 4.372. 3 * 0.94 = 2.822.82 / 7 = 0.40.4 / 2 = x / 1x = 0.20.2 * 46 = 9.2