vapelordcarl69 vapelordcarl69

06-02-2020
Chemistry

contestada

Calculate the mass of 1.9 • 10^24 atoms of Pb

Respuesta :

anfabba15 anfabba15

07-02-2020

Answer:

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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