Learn: Calculating Relative Atomic Mass from Isotopic Abundance
AQA 7405 A-Level Chemistry
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What does the relative atomic mass of an element represent?
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Chlorine has two isotopes: Cl-35 with 75% abundance and Cl-37 with 25% abundance. Calculate the relative atomic mass of chlorine.
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Why is relative atomic mass important? (Select all that apply)
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An element X has three isotopes: X-10 (10%), X-11 (20%), X-12 (70%). Calculate the relative atomic mass of X.
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