A 25-L Container Holds Ideal Hydrogen (H₂) Gas at a Gauge

question 18

Multiple Choice

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.

• A) 1.4 g
• B) 2.8 g
• C) 4.2 g
• D) 5.6 g
• E) 6.3 g

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