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PilotLPTM [1.2K]
2 years ago
5

8. What is the mass of 4.50 x 1022 Cu atoms?​

Chemistry
1 answer:
vladimir2022 [97]2 years ago
5 0

Answer:

4.7485 g

Explanation:

4.50 x 10^22 Cu atoms * (1 mol Cu / 6.022 x 10^23 Cu atoms) * 63.546 g Cu/(mol Cu) = 4.7485 g

In every mole of Cu, there are 6.022 x 10^23 atoms (Avogadro's number). The molecular weight of copper is 63.546 g/mol.

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