About what is the capacity of a can of soda

The soda bottle is a good example. Until , all soft drinks in the U. Then the plastic polyethylene terephthalate PET bottle came along, and soft drink makers decided it was time for a product redesign. The redesign process coincided with two key factors: a short-lived wave of government interest in going metric, and the burgeoning environmental movement. The folks at PepsiCo decided to meld all three into its exciting new vessel: a lightweight, cheap, recyclable, metric bottle, with built-in fins so it could stand up on supermarket shelves.

Two liters: the soda size of the future. The two-liter bottle took off. For the liter tank, this would be approximately g of salt. So any salt concentration greater than this should be enough to raise the can of regular Coke. To be safe, the beaker contains about grams of salt, which is more than enough to raise the heaviest Coke can listed above. To dissolve all the salt, you need to stir the water rather vigorously, for which you can use the large stirring rod.

After one class session that included this demonstration, I found the Diet Coke floating in caramel-colored water, and the empty Coke can beside the tank. A student had asked if pouring the regular Coke into the water might raise the can of Diet Coke above where it had been floating. Pouring ml of Coke into the liter tank diluted it by a factor of 45, so any change it made to the density of the water would have been minuscule. At the time, for some reason I had no spare cans of Coke.

So I bought a pack of Coke, and brought in several cans at random. He had not added the salt to the tank. I then tried all the cans in the pack, and I found that about half of them sank, and half of them floated. The soda cans are sold as containing 12 ounces, or ml, of liquid. Help Help. Our Green Pledge. Roll over or click image to zoom in.

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