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Textbook Expert
Textbook ExpertVerified Tutor
18 Nov 2021

Given information

Empirical formula of first compound

Mass of in first, second and, third compound    

Mass in first compound , in second compound , and in third compound    

 

Step-by-step explanation

Step 1.

Mass of in first compound  

Mass in first compound    

Empirical formula of first compound   

Avogadro number is used to determine the number of atoms present in one mole of the compound.

Therefore,

 

This means that  is equivalent to  and  is equivalent to  

Therefore,

 

 

Mass of  in second compound    

One mole of contains  

Therefore,

 

 

 

                      

Mass of  in second compound    

One mole of contains  

Therefore,

 

 

 

                         

 

Therefore, the number of moles for is , and for is  

In the empirical formula, the mole ratio of each element is determined by dividing by the smallest.

Therefore,

The simplest ratio for  is,

 

The simplest ratio for  is,

 

Therefore, the empirical formula of the second compound is .

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