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What is Relative Atomic and Molecular Mass Explained about?
This document discusses chemical formulas and equations. It begins by stating the objectives of learning about relative atomic mass (Ar) and relative molecular mass (Mr) using carbon-12 as the standard. It then defines Ar and Mr as the average mass of an atom or molecule compared to 1/12 the mass of one carbon-12 atom. Carbon-12 is used as the standard because it is solid, easily handled, and present in many organic substances. The document provides examples of calculating Ar and Mr and noting that Mr is th
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