Check for endorsements by celebrities of home-improvement shows.
        
             
        
        
        
Sulfur is not a transition metal so it does not need a Roman numeral the correct answer is Trisulfur Dichloride
        
                    
             
        
        
        
Answer:
<em>Mg = 24.30 g/mol) Mg(s) + 2HCl(aq) MgCl2(aq) + H2(g) Hint: 1 mole of gas at STP occupies 22.4 L</em>
 
        
             
        
        
        
Explanation:
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The rule used here is that the algebraic sum of the oxidation numbers of all the atoms a molecule is zero.
Al2O32× ( oxidation number of Al)+3× ( Oxidation number of O )  = 0
2× ( Oxidation number of Al) +3(−2)=0
2× ( oxidation number of Al) +6
∴ Oxidation number of Al =+3