A rigid 8.20 L flask contains a mixture of H: gas, O; gas, and Ar gas. Within the flask, there are 2.50 moles of H2, and 2.0 atm of O2 gas, and sufficient Ar so that the partial pressure of Ar in the flask is 2.00 atm as well. The temperature of the gas mixture is 127°C. i. Calculate the pressure the H: gas produces. ii. Calculate the total pressure of the container that all 3 gases exert.

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A:

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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.