Which of the following does not have the same number atoms as the other three choices?

Question

Quizplus · Accepted Answer

A) Na₂SO₃ has 7 atoms per molecule (2 Na, 1 S, and 3 O), so 3 moles would have 3 x Avogadro's number x 7 atoms = 1.262 x 10²⁴ atoms.

B) Each water molecule (H₂O) has 3 atoms (2 H and 1 O), so 6 moles would have 6 x Avogadro's number x 3 atoms = 1.081 x 10²⁴ atoms.

C) NaCl has 2 atoms per molecule (1 Na and 1 Cl), so 9 moles would have 9 x Avogadro's number x 2 atoms = 9.685 x 10²⁴ atoms.

D) CH₄ has 5 atoms per molecule (1 C and 4 H), so 5 moles would have 5 x Avogadro's number x 5 atoms = 1.346 x 10²⁴ atoms.

Therefore, D (5 moles CH₄) does not have the same number of atoms as the other three choices.

Which of the Following Does Not Have the Same Number