A 5.91 g unknown sample analyzed by elemental analysis revealed a composition of 37.51 % C. In addition, it was determined that the sample contains 1.4830 x 1023 hydrogen atoms and 1.2966 x 1023 oxygen atoms. What is the empirical formula? O CAH1604 CsH,O3 O CaHO7

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A: Given:Mass of potassium = 21.7 gMass of oxygen = 4.44 g.

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Q: empirical formula?

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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.