3. If the molecular formula for a compound is C5H10, what is its empirical formula? * CH2 4. What is the percent composition of carbon in carbon dioxide? * 50% 27% 73% 100% 5. What is the percent composition of aluminum in aluminum oxide? 50% 53% 47% 63%

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.