Lithium  metal reacts with molecular  oxygen  gas to form  lithium   oxide . A closed container of volume  4 .00 x 103 mL contains  oxygen  gas at  98  °C and  8.12  x 105 Pa. Then  12.5  g of solid  lithium  is introduced, and the reaction goes to completion. What is the final pressure (in bar) if the temperature rises to  125.5  °C?

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Q: Given the reaction: 2 Al (s) + 6 HCI (aq) --> 2 AICI3 (aq) + 3 H2 (g) A strip of aluminum of unknown…

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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.