Think about the following reaction: 2 A (g)⟶B (g) +2 C (g)   Assume that we start with 100.0 moles of A and zero moles of B and zero moles of C.   This is pure stoichiometry.   If my final number  of moles is 107, how many moles of A do I have?

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Think about the following reaction:

2 A (g)⟶B (g) +2 C (g)

 

Assume that we start with 100.0 moles of A and zero moles of B and zero moles of C.

 

This is pure stoichiometry.  

If my final number  of moles is 107, how many moles of A do I have?

Expert Solution
Step 1

Given the reaction:

2 A (g)⟶B (g) +2 C (g)

2 moles of A react to form 1 mole of B and 2 moles of C,

 

Given:

Initial moles of A = 100.0 moles

Initial moles of B = 0.0 moles

Initial moles of C = 0.0 moles

Total final moles = 107 moles

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