Calculate number of molecules of water in a swimming pool
Calculate the number of molecules of water in a swimming pool which is 40.0 m in length, 20.0 m in width, and 5.00 m in depth. Assume the density of water is 1.00 g/ cm3.
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The distribution of the annual incomes of a group of middle management employees approximated a normal distribution with a mean of $39,570 and a standard deviation of $798. About 65 percent of the incomes lie between what two incomes?
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A typical root beer contains 0.13% of a 75%H3PO4 solution by mass. How many milligrams of phosphorous are contained in a 12-oz can of this rootbeer? Assume a solution density of 1.00 g/mL, also, 1 oz=29.6 mL.
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