Multiple Choice
If a certain natural gas supply contains 2.13% helium by mass,what amount of the natural gas must be processed,at 96.2% efficiency of helium recovery,to produce sufficient helium to inflate 24 party balloons to a volume of 5.3 L each at an internal gas pressure of 1.25 atm and a temperature of 23.7 °C?
A) 1.28 kg
B) 1.18 kg
C) 1.09 kg
D) 0.82 kg
E) 0.75 kg
Correct Answer:

Verified
Correct Answer:
Verified
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