The chlorination of methane occurs in a number of steps that results in the formation of chloromethane and hydrogen chloride. The overall reaction is 2CH4(g)+3Cl2(g)⟶2CH3Cl(g)+2HCl(g)+2Cl−(g)   Suppose that a chemist combines  331 mL   of methane and  633 mL   of chlorine at STP in a  2.00 L   flask. The flask is then allowed to stand at  298 K.   If the reaction reaches  89.9%   completion, what is the total pressure in the flask? ?total=   What is the partial pressure of  CH4?   ?CH4=   What is the partial pressure of  Cl2?   ?Cl2= What is the partial pressure of  CH3Cl?   ?CH3Cl=   What is the partial pressure of  HCl?   ?HCl=   What is the partial pressure of  Cl−?   ?Cl−=

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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.