| 
		
		
		Calculate molar mass | 
		||
		 
		
	
  | 
		|||
| Calculations: Formula: Tc2O7 Molar Mass: 309.993 g/mol 1g=3.22587929404858E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) Tc 2 99 63.87% O 7 15.999 36.13%  | 
		
| Top Use:    Recent user inquiry: 
  | 
		|||