The volume of helium in a particular blimp (nonrigid airship) is 5,208 m³. Using eBook Table 4.4, calculate the mass of helium in the blimp (in kg).

Express answers to 3 significant figures unless other instructions are given in the question.

Gases (at 0'C and 1 atm) Hydrogen e 0.09 0.0056 0.00009 Helium e 0.18 0.011 0.00018 Nitrogen (N,) C 1.25 0.078 0.00125 Air m 1.29 0.08 0.00129 Oxygen (O2) C 1.43 0.089 0.00143 Carbon dioxide C 1.98 0.12 0.00198 Radon e 10 0.627 0.010 *Note: "e" stands for element, "c" for compound, and "m" for mixture