The vapor pressure of water at 26 degrees c is 25.209 mmhg., Ask an Expert

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A sample of H2 id collected by displacing 145mL of water. The pressure of gas and the atmosphere equalized. The atmospheric pressure is 745 mmHg. THe temperature of water and theatof the gas are identical at 26 degress C. The vapor pressure of water at 26 degrees C is 25.209 mmHg. How many moles of gas were collected?

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