Question: Which of the following has least mass [Pb. PET 1985]
(a) 2 g atom of nitrogen
(b) 3 x 10²³ atoms of C
(c) 1 mole of S
(d) 7.0 g of Ag
Correct Answer: (b) 3 x 10²³ atoms of C
Question: Which of the following has least mass [Pb. PET 1985]
(a) 2 g atom of nitrogen
(b) 3 x 10²³ atoms of C
(c) 1 mole of S
(d) 7.0 g of Ag
Correct Answer: (b) 3 x 10²³ atoms of C
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