4. What is the gas phase concentration of toluene if the concentration in water is 75 mg/L at 20°C? KH -6.732 L atm/mole. 5. The concentration of dissolved oxygen in a stream is 9.0 mg/L. What is the mole fraction forunan in thie ctraam?

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Q: Practice Exercise Calculate the standard entropy change for the following reactions at 25°C: (a)…

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Q: 15.64 Calculate the pH of a buffer solution that is 0.20 M in HCN and 0.12 M in NaCN. Will the pH…

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Q: Al, Fe, Co *

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Q: Consider the following thermochemical equation: 2NO(g) + O2(g) → 2NO2(g) AH° = -113.2 kJ Calculate…

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