Per NCERT, the AVOGADRO CONSTANT (N_A) has the approximate value of which?
ADifferent in different countries
B6.022 × 10²³ mol⁻¹
C12 × 10²³
D6.022 × 10⁻²³
Answer & Solution
Correct answer: B. 6.022 × 10²³ mol⁻¹
Per NCERT §1.8, N_A ≈ 6.022 × 10²³ per mole. Same everywhere — universal constant.
Related questions
Per NCERT, the MASS PER CENT of an element in a compound is calculated using which formulaPer NCERT Problem 1.2, what is the MOLECULAR formula of the compound (empirical CH₂Cl, molPer NCERT Problem 1.2, a compound has 4.07% H, 24.27% C, 71.65% Cl, with molar mass 98.96 Per NCERT, the empirical formula of glucose is CH₂O. Given molar mass = 180 g/mol, what isPer NCERT, what is the MOLECULAR formula of a compound?Per NCERT, what is the EMPIRICAL formula of a compound?Per NCERT, what is the MASS PERCENTAGE of oxygen in WATER (H₂O)?Per NCERT, what is the MASS PERCENTAGE of hydrogen in WATER (H₂O) — given molar masses C=1