The molar mass of copper (Cu) is approximately 63.55 grams per mole (g/mol). This value is derived from the atomic weight of copper, which is based on the average mass of its naturally occurring isotopes. Copper has two stable isotopes: Cu-63 and Cu-65. The atomic weight of copper is calculated by taking the weighted average of these isotopes’ masses, considering their natural abundance. This molar mass is essential in chemistry for various calculations, such as determining the amount of substance in moles or converting between mass and moles in chemical reactions.
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