A 100-L Flask Containing He,2

question 71

Multiple Choice

A 10.0-L flask containing He,2.00 mole of Ar,and 3.00 mole of Ne has a total pressure of 24.5 atm at 25°C.How many moles of He are in the flask?

• A)5)00 mol
• B)10.0 mol
• C)114 mol
• D)119 mol

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