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6 Nov 2021

Given information

The mole percent of aluminum

The mass of the reaction mixture  

 

Step-by-step explanation

Step 1.

The balanced chemical reaction between aluminum and is as follows:

                                 

The moles of in moles of reactant mixture is as follows:

                                   

 

The mass of both the reactants is as follows:

                                       

 

The molar mass of aluminum is .

The molar mass of is .

 

For aluminum,

Substitute the values in the above formula as follows:

                                             

 

For ,

Substitute the values in the above formula as follows:

                                               

 

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