1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
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Number of atoms in 558.5 gram Fe (at. wt. of Fe = 55.85 g mol-1) is
A
twice that in 60 g carbon
B
6.023 $$\times$$ 1022
C
half that in 8 g He
D
558.5 $$\times$$ 6.023 $$\times$$ 1023
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