Imagine a colorful balloon floating gently in a bright blue sky on a clear day. This balloon, filled with 30 kg of helium gas (He), is at Standard Temperature and Pressure (STP). Your task is to determine the volume of this balloon filled with helium gas.

• A. 150 m³
• B. 168 m³
• C. 170 m³
• D. 182 m³

Answer: (B)