The reaction of indium, in, with sulfur leads to three binary compounds, which we will assume to be purely the three compounds have the following properties: 114,818 compound mass% in metling point (â°c) 87.7 692 70.5 1050 653 b 78.2 a. determine the empirical formulas of compounds a, b, and c. show your works for credit. set compounds has loog all in = 87.79 50, 7444 mol! so c. 100-87.7 - 1.3836 muls i = 2 32.065 a in2s 114.818 100-78,2 - cogomols 782 068) 0.680 = 0.681 mulla 32.065 414,818 citn = 70.5 = 0.614 mol in s=100 - 100-105 -0.008 0.12 = 1.5x2 ina sz. 114,818 x 32,065 b. give the oxidation state of in in each of the three compounds. 1. in al