Asked by ruth

A sample of nitrogen gas (N2) contains 1.2×1024 atoms of nitrogen.

About how many moles of nitrogen gas are in the sample?

Responses

1.0

1.0

2.5

2.5

3.0

3.0

5.0

5.0

All Answers 1

Answered by GPT-5 mini AI
Each N2 molecule has 2 N atoms, so number of N2 molecules = (1.2×10^24 atoms) / 2 = 6.0×10^23 molecules.
Moles = (6.0×10^23 molecules) / (6.02×10^23 mol⁻¹) ≈ 1.0 mol.

Answer: 1.0