A compound is 32.88% C, 4.14% H, 19.18% N and 43.80% O by mass, and it has a molar mass of 219 g/mol. What is the molecular formula of this compound? When entering the formula place the elements in the following order: C, H, N, O. For subscripts, write the number after the element it corresponds to. For example, H2O should be written as H2O.

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A: Based on the statement we can say that the statement is true or false.

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Q: Complete the table. Element Mass Moles Number of Atoms Na 38.5 mg C 1.12 V 214 Hg 1.44 kg

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Q: Which is a pure element? * Nacl

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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.