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