Final answer:
Using the stoichiometry of the balanced chemical equation, 6.2 moles of Ag will produce 3.1 moles of Ag2S.
Step-by-step explanation:
To determine the number of moles of Ag2S that will be produced from 6.2 moles of Ag, we must first look at the stoichiometry of the balanced chemical equation. According to the equation:
4Ag + 2H2S + O2 → 2Ag2S + 2H2O
We can see that 4 moles of Ag produce 2 moles of Ag2S. Using this ratio, we can calculate the moles of Ag2S that will form from 6.2 moles of Ag:
(6.2 moles Ag) / (4 moles Ag) * (2 moles Ag2S) = number of moles of Ag2S.
Therefore, the number of moles of Ag2S produced from 6.2 moles of Ag is 3.1 moles.