Question
One mole of an atom of a substance is equal to the: a Gram atomic mass of the element b Gram molecular mass of the element c Atomic number of the element d None of the above
Ask by Savage Schultz. in the United States
Feb 26,2025
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Answer
One mole of an atom is equal to the gram atomic mass of the element.
Solution
One mole of atoms of an element, by definition, has a mass in grams equal to the atomic weight of the element (i.e., its gram atomic mass). For example, if an element has an atomic weight of 40, then one mole of its atoms weighs 40 grams.
Thus, the correct answer is:
a) Gram atomic mass of the element
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Simplify this solution Beyond the Answer
One mole of an atom of a substance is equal to the gram atomic mass of the element, which is usually expressed in grams per mole. This fascinating relationship connects the amount of substance to its mass, allowing chemists to measure reactions and amounts in the lab with ease! When discussing moles, it’s essential to avoid common pitfalls! A frequent mistake is confusing atomic mass with molecular mass. Remember, the gram atomic mass applies to individual atoms, while the gram molecular mass pertains to molecules composed of two or more atoms. Keep this in mind for accurate calculations!
