A Sample of Hydrogen Gas (3

question 140

Multiple Choice

A sample of hydrogen gas (3.2 L) at 3.5 atm and 25 °C was combined with 5.2 L of nitrogen gas at 7.3 atm and 25 °C at constant temperature in a 15.0 L flask.Assuming the initial pressure in the flask was 0.00 atm and the temperature upon mixing was 25 °C,what is the total pressure (atm) in the flask?

• A)3.28
• B)5.85
• C)9.45
• D)15.4
• E)10.8

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