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AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified
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mayo 2024

2023/2024

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What is the equation linking mass moles and MR? Mass=moles * MR What is the definition of Ar (relative atomic mass)? The average mass of an atom of an element compared to the mass of one twelfth of carbon 12. What does Mr stand for? Relative molecular mass Define relative isotopic mass. The mass of an isotope of an element compared to the mass of one twelfth of the mass of carbon 12 What is the relative mass of an electron? 1/1840 What is an isotope? Isotopes of an element are ato...
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