Empirical & molecular formula answers

IB Chemistry: Empirical & molecular formula answers

Answers to Empirical & molecular formula questions1.2.3. Since Mr (78.12) = 6 x relative empirical mass (13.02) the molecular formula is C6H6.4. Since Mr (180.17) = relative empirical mass so the molecular formula is C9H8O4.5. Mr (< 100); relative empirical mass = 84.13 so the molecular formula is C5H8O.6. i. Empirical formula is Mg5O4. ii. Any three from: Some of the product escaped during...


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