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Skills Worksheet Problem Solving - University of Pennsylvania

atom has a mass of 55.847 amu, and 55.847 g of iron contains 6.022 137 1023 atoms of iron. Likewise, 32.066 g of sulfur contains 6.022 137 1023 atoms of sul-fur. Knowing this, you can measure out 55.847 g of iron and 32.066 g of sulfur and be pretty certain that you have the same number of atoms of each.