4. Calculate the pressure exerted by 3 moles of oxygen gas, O2, confined to a volume of 510 mL at 10° Celsius.

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Q: A buffer solution contains 1.2 M sodium benzoate and 1.5 M benzoic adic. K, for benzoic acid is 6.3 ...

A: Below attached file showing the details answer.  All the best 

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Q: (

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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.