Question Detail
Question
Standard enthalpy of formation (ΔH_f°) is for the formation of __________ mole of substance from elements.
Correct Answer
Option A is the correct answer.
Detailed Explanation
By definition, ΔH_f° is the enthalpy change when 1 mole of the compound is formed from its elements in their standard states.
Hint
A per-mole quantity.