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

question 26

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