A mixture contains 50.0% O2, 25% N2 and 25.0% Cl2 by volume at a total pressure of 1.40 atm. Which of these statements is TRUE?   A. The mole fraction of Cl2 is 25 and its partial pressure is 0.35 atm.   B. The mole fraction of N2 is 0.25 and its partial pressure 0.25 atm.   C. The mole fraction of O2 is 0.25 and its partial pressure is 0.50 atm.   D. The mole fraction of O2 is 0.50 and its partial pressure is 0.70 atm.   E. None of these is true.

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Q: В. 0.22

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.