(a) The compound 1-iodododecane is a nonvolatile liquidwith a density of 1.20 g/mL. The density of mercury is13.6 g/mL. What do you predict for the height of a barometercolumn based on 1-iodododecane, when the atmosphericpressure is 749 torr? (b) What is the pressure, in atmospheres,on the body of a diver if he is 21 ft below the surfaceof the water when the atmospheric pressure is 742 torr?

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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.