CaCl2 is a good conductor of electricity when dissolved in water.
        
                    
             
        
        
        
I believe it is pentane..Try that!
Hope it helps, sorry if it doesn't but that's the answer I just choose for my unit test on edgnty.
 
        
                    
             
        
        
        
Giant covalent substances have many atoms joined together by covalent bonds. Diamond, graphite and graphene are forms of carbon with different giant covalent structures.
Giant molecular are structure such as graphite or diamond. All bonds are through covalent. They have the same bond throughout the structure without changing.
 
        
             
        
        
        
Mass and Volume! 
Hope this helps. :)
        
             
        
        
        
Answer: 833.3mmHg
Explanation:Please see attachment for explanation