/ 105 Pa/bar 105 Pa/bar The reaction will go to the right. 48.0 Pa 2. (a) Q=105 Pa/bar, = 5.08 x 10-4 < K It was not really necessary to convert Pa to bar, since the units c cancel Н2 Br2 1L 2HBr (b) Initial pressure: 1370 3310 48.0 3310-x 48.0+2x 1370-x Final pressure: Note that 2x Pa of HBr are formed when x Pa of H2 are consumed. (48.0+2x)2 (1370 – x)(3 310 –x) = 7.2 × 10-4 → x=4.50 Pa %3D Pнz = 1366 Pa, РBry 3 3 306 Ра, РнBг PB12 57.0 Pa %3D

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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.