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The hydrogen gas formed in a chemical reaction is collected over water at 30.0 ∘C at...

The hydrogen gas formed in a chemical reaction is collected over water at 30.0 ∘C at a total pressure of 728 mmHg . If the total volume of gas collected is 724 mL , what mass of hydrogen gas is collected?

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Answer #1

160 Answer From ideal gas equation PV = nRT P& Pressure = 728 mm Hg . 1 atm= 760mmug. 1 mming = – atm 128 mmHg = 728 atm N =

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