Hrjohnson2004
09.04.2021 •
Chemistry
In general nonmetals have a low electrical and thermal conductiovives
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Ответ:
D. 8.090 × 10¹⁰
Step-by-step explanation:
Use Avogadro’s number to convert atoms of Cu to moles of Cu.
1 mol Cu atoms = 6.022 × 10²³ atoms of Cu
Moles of Cu = 4.872× 10³⁴ × 1 /6.022 × 10²³
Moles of Cu = 8.090 × 10¹⁰ mol Cu
Thee are 8.090 × 10¹⁰ mol Cu in 4.872× 10³⁴ atoms of Cu.