Regents Chemistry Exam June 2024 Question 28
Given the equation representing a reaction:
2KI + F2 → 2KF + I2
When 2.0 moles of electrons are gained by fluorine, how many moles of electrons are lost by iodine?
(1) 1.0 mol (3) 3.0 mol
(2) 2.0 mol (4) 4.0 mol
Solution:
The number of electrons gained and lost in a balanced equation has to be equal. Choice 2 is the correct answer choice.
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