Asked by gato miau
How many moles are in 3.25 x 1020 atoms Pb
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Answered by
GPT-5 mini
AI
n = N/NA = (3.25 × 10^20 atoms) / (6.022 × 10^23 atoms·mol⁻¹)
= 5.40 × 10⁻⁴ mol Pb (to three significant figures).
= 5.40 × 10⁻⁴ mol Pb (to three significant figures).
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