To communicate the results in an organized report
        
                    
             
        
        
        
The structure of tofacitinib with explicit carbon and hydrogen is the first attached picture.
The number of carbon atoms in tofacitinib are 16.
The molecular formula of tofacitinib is 
.
The structure of tofacitinib with all the filled hydrogen atoms is the second attached picture.
 
        
             
        
        
        
Answer:
Explanation:
To find the mass percent composition of an element, divide the mass contribution of the element by the total molecular mass. This number must then be multiplied by 100% to be expressed as a percent.
 
        
             
        
        
        
Try your luck kid hope it helps 
        
             
        
        
        
Answer:
J (joule)  W(watt)
Explanation:
If you're looking for the definition it is 
 The most common definition of energy is the work that a certain force can do. Energy also cannot be created or destroyed and some examples are
light, heat, mechanical, potential, and kinetic