If the leak continues, how many kilograms of chlorine (Cl) will be emitted into the atmosphere each year?

To calculate the amount of chlorine emitted into the atmosphere each year, you need to know the rate of the leak in kilograms per year. Once you have that information, you can multiply the rate of the leak by the molar mass of chlorine (35.45 g/mol) to find the amount of chlorine emitted annually.