Final answer:
To verify if a 150-pound chlorine cylinder weighs 285 pounds, one must consider the combined weight of the chlorine gas and the cylinder. The term '150-pound cylinder' likely indicates the amount of chlorine it contains without the cylinder's weight.
Step-by-step explanation:
To determine if it is true that a 150-pound chlorine cylinder, including the tank, actually weighs 285 pounds, one would need to account for the weight of the chlorine gas itself plus the weight of the empty cylinder. The label "150-pound cylinder" often refers to the amount of chlorine gas that the cylinder can hold, rather than the total weight of the cylinder and the gas combined. Therefore, if the cylinder is labeled as a 150-pound cylinder, this signifies the weight of the chlorine at its capacity, not including the container's weight. The exact weight of the empty cylinder would need to be known to confirm the total weight. However, if the total weight mentioned is accurate, then it implies that the chlorine container itself weighs an additional 135 pounds (285 total pounds minus the 150 pounds of chlorine gas).