A sample of O2 gas initially occupies a volume of 314 mL at 57.0oC and 1.97 atmospheres.   What volume will it occupy when the pressure changes to 872.0 torr while the temperature remains constant?  Report your answer in mL with three significant figures ______________ mL   If the before and after temperature had been 100.0oC instead of 57.0oC what would be the volume?  Everything else being the same.   Report your answer in mL with three significant figures ______________ mL

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Q: what will the new volume of gas be

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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.