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QUESTION
Each of 2 front tire in the car is filled with a different gas. One tire contains 116g of helium, another tire has 160g of unknown gas.
Each of 2 front tire in the car is filled with a different gas. One tire contains 116g of helium, another tire has 160g of unknown gas. How many times heavier is a molecule of the unkown gas than an atom of helium?
