Question

How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen?
1 mol of oxygen has fewer molecules
1 mol of oxygen has more molecules
Each sample has the same number of molecules
The molecules cannot be compared without knowing the mass.
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Answer 1

Answer:

Each same has the same number of molecules.

Explanation:

Regardless of whatever you are comparing a mol represents a physical amount of particles. One mole is 6.022×10^23 particles of anything. So the amount of substance in one mol of something is always the same.

Answer 2

Each sample has the same number of molecules. Hence option C is correct.

What is a mole?

The mole is an SI unit used to measure the amount of any substance. The abbreviation for a mole is mol. One mole is exactly 6.02214076×$10^{23}$particles.

One mol of oxygen is 6,022x10²³ molecules of oxygen and one mol of nitrogen are 6,022x10²³ molecules of nitrogen.

Hence, each sample has the same number of molecules.

Learn more about mole here:

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