Temperature and Pressure Sample Gas T (K) P (atm) N2 300 1.20 02 300 1.20 Не 300 1.20 CO2 300 1.20 7) The table shows the temperature and pressure of five-liter samples of four different gases. Which two gas samples do not have the same number of molecules? A) He and 02 B) N2 and 02 C) N2 and CO2 D) 02 and CO2

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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.