Ammonia and hydrogen chloride gases react to form solid ammonium chloride. A 12L reaction flask contains ammonia at 1.224atm and 22C. 217ml of hydrogen chloride gas at 6.41 atm and 258k is introduced to the reaction flask. After the reaction occurs and the temperature returns to 22C, what is the pressure inside the flask in atm? (Neglect the volume of solid product)

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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.