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5. Which sample contains the least number of atoms? A. 2 mol of NaCl B. 2 mol of NH3 C. 1 mol of CH3COOH D. 1 mol of H20 A is the correct answer. Why?
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5. Which sample contains the least number of atoms?

A. 2 mol of NaCl
B. 2 mol of NH3
C. 1 mol of CH3COOH
D. 1 mol of H20

A is the correct answer. Why?

User Malbarbo
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1 Answer

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Because every other sample has at least two different elements and each of them contain more than one atom of the named elements. Also, the moles they are measured in make them increase in number too.

Hope this helps!!
User Nhnghia
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