Final answer:
To determine the number of Cu atoms in the fitting, calculate the mass of copper and use Avogadro's number.
Step-by-step explanation:
The number of Cu atoms in the fitting can be determined by following a two-step computation:
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For example, if the mass of copper in the fitting is known, you can use the molar mass of copper (63.54 g/mol) and Avogadro's number (6.02 × 10^23 atoms/mol) to find the number of Cu atoms in the fitting.