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An alloy of iron (71.0%), cobalt (12.0%), and molybdenum (17.0%) has a density of 8.20 g/cm3.....?
How many cobalt atoms are there in a cylinder of this steel with a radius of 2.50 cm and a length of 10.0 cm? The volume of a cylinder is found by the formula V= πr2l where r is the radius and l is the length.
please also explain how. thanks!
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