STANDARDChemistry-Mole Concept
STANDARD Chemistry Avogadro's Number MCQ Question
Type: MCQ-numerical-Medium
The number of oxygen atoms present in 1 mole of oxalic acid dihydrate is
A
6 × 10²³
B
6.023 × 10³⁴
C
7.22 × 10²³
D
36.13 × 10²³
Correct Answer
Option D
Detailed Explanation
One molecule of oxalic acid dihydrate (COOH)₂.2H₂O contains 6 oxygen atoms. Therefore, in 1 mole, the number of oxygen atoms is 6 × 6.023 × 10²³ = 36.13 × 10²³ atoms.
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