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CHM-2026-C11-061
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CHM · CHM-2026-C11-061
Chemistry
The number of hydrogen atoms present in 5.4 g of urea is: (Given: Molar mass of urea : 60 g mol⁻¹, N_A : 6.022×10²³ particles mol⁻¹)
A
1.084×10²³
B
1.084×10²²
C
2.168×10²²
D
2.168×10²³
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