### Possible Answer

There is 2/3 cu. ft. per 80 lb. bag of pre-mixed concrete. It takes 133 pounds of quikrete to make 1 cubic foot, so... - there is 0.6 cubic feet (80/133) in one 80 ... - read more

359 is the number of standard cubic per lb-mol of a gas. The initial answer is actually the inverse. An easy mistake to make. Example: 18 lbs of water is one lb-mol. - read more

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