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Question 51

Which of the following contain the same number of atoms?
(Given : Molar mass in g mol$$^{-1}$$ of H, He, O and S are 1, 4, 16 and 32 respectively)
A. 2 g of O$$_2$$ gas
B. 4 g of SO$$_2$$ gas
C. 1400 mL of O$$_2$$ at STP
D. 0.05 L of He at STP
E. 0.0625 mol of H$$_2$$ gas
Choose the correct answer from the options given below :

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