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Chemistry
Brett Valenzuela
19 November, 17:43
Calculate the mass of 1.9 • 10^24 atoms of Pb
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Layla Davies
19 November, 18:01
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65.4 is the mass for 1.9*10²⁴ atomsof Pb
Explanation:
1mol of atoms of Pb has → NA (6.02*10²³ atoms) and weighs → 207.2 g
Therefore 1.9*10²⁴ atomsof Pb may weigh (1.9*10²⁴. 207.2) / NA = 65.4 g
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