How many moles of hydrogen will be produced in this reaction when 34.5 moles of hydrogen iodide are decomposed?

17.25 moles of hydrogen

The equation for the reaction;

2HI (g) → H₂(g) + i₂ (g)

34.5 moles of Hydrogen iodide are decomposed;

The mole ratio of HI to Hydrogen = 2 : 1

Therefore;

moles of hydrogen = (34.5/2) ×1

                                = 17.25 moles

Therefore; 17.25 moles of hydrogen will be produced when 34.5 moles of Hydrogen iodide are decomposed

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< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >