When NO2 is cooled to room temperature, some of it reacts to form dimmer, N2O4,through the reaction 2NO2--->N2O4. Suppose 15.2 g of NO2 is placed in a 10L flask at high temperature and the flask is cooled to 25°C. The total pressure is measured to be 0.5 atm. What is the partial pressure of NO2 in the flask after the reaction comes to equilibrium? A. 0.19 atm B. 0.25 atm C. 0.28 atm D. 0.32 atm

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Q: KpKp

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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.