an atom of an element is 55.85 times as heavier as 1÷12 mass of an atom of C12.what is the atomic mass of the element in amu
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Solution
The relative atomic mass or atomic weight of an element is the number of times one atom of the element is heavier than 1/12 time of the mass of an atom of carbon atom.
Thus, the atomic mass of the given element will be 55.85 amu.