Some Basic Concepts Of Chemistry Question 274

Question: Which of the following contains maximum number of atoms [JIPMER 2000]

Options:

A) 6.023×1021 molecules of CO2

B) 22.4 L of CO2 at STP

C) 0.44 g of CO2

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

a. 6.023×1023 molecules of CO2

No. of atoms =3×6.023×1021 = 18.069×1021 atoms b. 22.4L of CO2

No. of atoms = 6.023×1023×3 =18.069×1023 atoms c. 0.44gm of CO2

No. of moles =0.4444=1100×6.023×1023 moles =6.023×1021 moles =3×6.023×1021 atoms 18.069×1021 atoms



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