How many copper, Cu atoms are present in a sample of copper with a mass of 662.4 amu? 42096. 64. 6.277 ×× 1024 12. 10.
Question
Solution 1
To find the number of atoms in a sample, you can use Avogadro's number (6.022 x 10^23 atoms/mole) and the atomic mass of the element.
Here are the steps:
First, find the molar mass of copper (Cu). The atomic mass of copper is approximately 63.55 amu.
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