🤓 Based on our data, we think this question is relevant for Professor Geiger's class at MSU.

We are asked to calculate the **amount of Chlorine (in kg) is added to the atmosphere each year **due to the cars that contains CFC-12 as conditioners.

We know that:

- each car has 1.2 kg of CFC-12
- each car leaks 26% of CFC-12 per year
- there are 100 million cars → 1.0x10
^{8 }cars

Because of increasing evidence of damage to the ozone layer, chlorofluorocarbon (CFC) production was banned in 1996. However, many older cars still have air conditioners that use
CFC-12 (CF_{2}Cl_{2}). These air conditioners are recharged from stockpiled supplies of CFC-12. Suppose that 100 million automobiles each contain 1.2 kg of CFC-12 and leak 26 % of their CFC-12 into the atmosphere per year.

How much chlorine, in kg, is added to the atmosphere each year due to these air conditioners?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Mass Percent Formula concept. You can view video lessons to learn Mass Percent Formula. Or if you need more Mass Percent Formula practice, you can also practice Mass Percent Formula practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Geiger's class at MSU.