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Per NCERT §1.2, the SI unit of AMOUNT OF SUBSTANCE is the mole, and one mole contains exactly how many entities?
A6.62607015 × 10⁻³⁴
B9.10938 × 10⁻³¹
C1.380649 × 10⁻²³
D6.02214076 × 10²³
Answer & Solution
Correct answer: D. 6.02214076 × 10²³
NCERT Table 1.1 (mole definition): Avogadro number = exactly 6.02214076 × 10²³ entities (since 2019 SI revision).
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