Question
How many representative particles are in 0.25 mol of a substance? Use Nₐ = 6.02×10²³ mol⁻¹.
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Correct Answer: C. 1.5e+23 particles
Explanation:
Number of particles = moles × Avogadro constant.
0.25 × 6.02×10²³ = 1.5e+23.
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