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1. A 75 L tank contains 480 grams of O2 and 80 grams of He. If the temperature is 300 K, what are the partial
1. A 75 L tank contains 480 grams of O2 and 80 grams of He. If the temperature is 300 K, what are the partial pressures of each gas and the total pressure in the
2. A 54.0 mL sample of oxygen is collected over water at 12 C and 0.922 atm of pressure.
a) What is the pressure of the water vapor? b) What is the pressure of the oxygen? c) What would be the volume of the oxygen of it was changes to STP?
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