Chemistry-Mole Concept
NEET Chemistry Mole Concept MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements about the mole concept is correct?
A
The stoichiometric coefficients in a balanced equation represent both the number of moles and molecules involved in the reaction.
B
A mole of any substance always contains the same mass regardless of its chemical nature.
C
The number of molecules in one mole is different for gases and solids.
D
The empirical formula of a compound can never represent the actual number of moles of its constituent elements.
Correct Answer
Option A
Detailed Explanation
The stoichiometric coefficients in a balanced equation indicate the number of moles and molecules participating in the reaction, as stated in the NCERT context regarding the combustion of methane.
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