Question: The number of atoms in 4.25 g of NH₃ is approximately [CBSE PMT 1999; MH CET 2003]
(a) 1 x 10²³
(b) 2 x 10²³
(c) 4 x 10²³
(d) 6 x 10²³
Correct Answer: (d) 6 x 10²³
Question: The number of atoms in 4.25 g of NH₃ is approximately [CBSE PMT 1999; MH CET 2003]
(a) 1 x 10²³
(b) 2 x 10²³
(c) 4 x 10²³
(d) 6 x 10²³
Correct Answer: (d) 6 x 10²³
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