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A 25-L container holds ideal hydrogen (H2) gas at a gauge pressure of 0.25 atm and a temperature of 0°C.What mass of hydrogen gas is in this container? The ATOMIC mass of hydrogen is 1.0 g/mol,the ideal gas constant is R = 8.314 J/mol ∙ K = 0.0821 L ∙ atm/mol ∙ K,and 1.00 atm = 101 kPa.
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