Provide a reasonable estimate for the number of atoms in a 150-lb adult human. Use the information given in Table 18.2.
Table 18.2

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Trace Elements Major Elemens Mass Percent in alphabetical order) Oxygen Carbon Hydrogen Nitrogen Calcium Phosphorus Magnesiunm Potassium Sulfur Sodium Chlorine Iron Zinc 65.0 Arsenic Chromium Cobalt Copper Fluorine Iodine Manganese Molybdenum Nickel Selenium Silicon Vanadium 18.0 10.0 3.0 1.4 1.0 0.50 0.34 0.26 0.14 0.14 0.004 0.003