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Answer:
0.92moles
Explanation:
Given reaction:
2Fe + 3Cl₂ → 2FeCl₃
Mass of FeCl₃ = 100g
Unknown:
Number of moles of Cl₂ needed = ?
Solution:
To solve this problem, we work from the known specie to the unknown.
From the mass of the FeCl₃ given, we can solve for the number of moles of the unknown.
- Number of moles of FeCl₃;
Number of moles =
Molar mass of FeCl₃ = 56 + 3(35.5) = 162.5g/mol
Number of moles = = 0.62mole
From the reaction expression;
2 mole of FeCl₃ is produced from 3 moles of Cl₂
0.62 mole of FeCl₃ will be produced from = 0.92mole
The number of moles of Cl₂ = 0.92moles
Theoretical Yield of this reaction is 59.34 g. Following is the solution,
