how many atoms are there in 6.30 mol selenium (se)

Question

Question

science chemistry

Answer 1

Answer #1

we have a standard conversion

for any atom or molecule

1.0 mole = 6.023 x 10²³ atoms

6.30 moles = 6.30 x 6.023 x 10²³ / 1.0 = 3.79 x 10²⁴ atoms

answer = 3.79 x 10²⁴ atoms.

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Answer 2

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