Chemistry
NULL
Medium
Question
The one mole of _____molecule has the highest number of atoms?
A
H2SO4
B
HClO4
C
O3
D
H2C2O4
✓ Official correct answer
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A
H2SO4
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B
HClO4
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C
O3
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D
H2C2O4
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Explanation
Counting atoms per molecule: H2SO4 has 7, HClO4 has 6, O3 has 3, and H2C2O4 (oxalic acid) has 8 — the highest among these.
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