Complex sentence: Antimony sulfate, Sb 2 (SO 4) 3, is a hygroscopic material is formed by reacting antimony or its compounds with hot sulfuric acid.
Split into simpler sentences: Antimony sulfate, Sb 2 (SO 4) 3, is a sulfate salt of antimony. This hygroscopic material is formed by reacting antimony or its compounds with hot sulfuric acid.