The answer is C. 146g because you add all of the masses of the individual elements and then mulyiply by 1.72 to get your answer.
        
                    
             
        
        
        
Answer:
There are 1.4754246675000002e+24 atoms of Hydrogen within the measurement of 2.45 moles of hydrogen!
Explanation:
 
        
             
        
        
        
Answer:
Percent yield = 21%
Explanation:
Find:
Percent yield
Computation:
1 mol O₂ produces 2 mol NO₂
So,
10 mol O₂ produces 20 mol NO₂
Percent yield = [Actual yield / Theoretical yield]100
Percent yield = [4.2 / 20]100
Percent yield = 21%
 
        
             
        
        
        
Answer:
Metals in nature are found in rock form, mineral forms etc..