answer the following questions using the information in the table. what is the m

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answer the following questions using the information in the table. what is the mass oh phosphorus in a 31 kg person Sapling Learning Eement masses in a 70-kg person The human body contains elements from the periodic table. Our bodies are mostly composed o Atomic Element en and carbon, but trace elements also have a significant role. This ta gives in kilograms, of body, based on a 70-kg person. some elements found in the human Oxygen 45.2 Answer the following questions using the information in the table. 1 Hydrogen 70 A Carbon makes up what fraction of the mass of the human body? Nitrogen 22 Calcium 1.3 Number 15 Phosphorus 0.78 19 Potassium 025 16 Sulfur 0.18 0.60 B. Carbon makes up what percentage of the mass of the human body? Others Total 70.0 Number 18 C. What is the mass of phosphorus in a 31-kg person? Number kg no Previous ® Give up view salution Check Answer ONext aExi Tools Hint

Explanation / Answer

For a 70 kg human,

A. Carbon fraction in the body = 12.6/70 = 0.18

B. % carbon in human body = 0.18 x 100 = 18%

C. mass phosphorous in a 31 kg person = 0.78 x 31/70 = 0.345 kg

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