Asked by gato miau

How many moles are in 3.25 x 1020 atoms Pb

All Answers 1

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).