Table 1.  Pressure vs Volume Data (including the inverse of Pressure). Volume (mL) Pressure (kPa) Inverse Pressure (kPa-1) 250 100 1/100 =  330 75   500 50   1000 25   Draw two graphs:  1) Volume and Pressue 2) Volume and Inverse Pressure

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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.